Higher Human Biology. Unit 1: Human Cells
|
|
- Victoria Sutton
- 6 years ago
- Views:
Transcription
1 Calderglen High School Higher Human Biology Unit 1: Human Cells Homework Questions
2 Contents Page Sub-Topic 1: Differentiation and stem cells 3-5 Sub-Topic 2: DNA and its replication 6-10 Sub-Topic 3: RNA, transcription and translation Sub Topic 4: Proteins, mutations and genetic disorders Sub topic 5: Human Genomics Sub topic 6: Metabolism and Enzymes Sub topic 7: Cellular respiration
3 Sub topic 1: Differentiation and stem cells 1. Which of the following is not a use of stem cells? A B C D Skin grafts Drug testing IVF treatment Bone marrow transplant 2. Which line in the table below describes correctly cell division in a specific cell type 5. Which of the following statements regarding stem cells is TRUE? A Stem cells are specialised cells that continue to divide. B Stem cells cannot differentiate into specialised cells C Stem cells are unspecialised cells that can differentiate into specialised cells. D None of the above Cell Type Type of cell division Chromosome number in cells produced A somatic meiosis diploid B somatic meiosis haploid C germline mitosis haploid D germline mitosis diploid 3. Which of the following statements about cancer cells is TRUE? A. Cancer cells respond to regulatory signals B. Cancer cells cannot spread through the body C. Cancer cells cannot divide excessively D. Cancer cells can form secondary tumours 4. Which of the following statements is TRUE? A. Blood cells and muscle cells are undifferentiated germline cells B. Blood cells and muscle cells are differentiated germline cells C. Blood cells and muscle cells are undifferentiated somatic cells D. Blood cells and muscle cells are differentiated somatic cells 6. Cancer cells can divide excessively to produce a mass of abnormal cells known as a tumour. A tumour cell can double every 40 minutes. If one tumour cell starts to divide how many tumour cells will be present after 12 hours? A 720 B C D The cell shown below is magnified six hundred times. What is the actual size of the cell? A 1080 μm B 108 μm C 30 μm D 3 μm 18 mm 3
4 8. The diagram below shows some stages in the development of blood cells and nerve cells. (a) What are stem cells? (1) (b) State the location of the tissue stem cells which develop into blood cells. (1) (c) Describe what is meant by the term differentiation. (1) 4
5 8. (continued) (d) Both embryonic stem cells and tissue stem cells are used in medical research. Give one reason why embryonic stem cells are potentially more useful than tissue stem cells. (1) (e) (i) Stem cells can be used in research and therapeutics (branch of medicine relating to the treatment of disease) because stem cells are able to develop into different types of cells. Explain why stem cells are able to develop into different types of cells. (1) (ii) List 3 therapeutic uses of stem cells (3) (f) Tumours can be found in patients suffering from cancer. (i) Describe what a tumour is: (1) (ii) Describe how a secondary tumour develops: (1) 5
6 Sub topic 2: DNA and it s replication 1. A DNA molecule consists of 4000 nucleotides of which 20% contain the base adenine. E. How many of the nucleotides in this DNA molecule will contain guanine? A 800 B 1000 C 1200 D A fragment of DNA was found to have 120 guanine bases and 60 adenine bases. What is the total number of sugar molecules in this fragment? A: 60 B: 90 C: 180 D: If ten percent of the bases in a molecule of DNA are adenine, what is the ratio of adenine to guanine in the same molecule? A: 1:1 B: 1:2 C: 1:3 D: 1:4 4. A DNA nucleotide could be formed from a molecule of phosphate together with A. Ribose sugar and guanine B. Ribose sugar and uracil C. Deoxyribose sugar and guanine D. Deoxyribose sugar and uracil 6
7 5. DNA controls the activities of a cell by coding for the production of A B C D proteins carbohydrates amino acids bases 6. If a DNA molecule contains 8000 nucleotides of which 20% are adenine, then the number of guanine nucleotides present is: A 1600 B 2000 C 2400 D The table below refers to the mass of DNA in certain human body cells. Cell type Mass of DNA in cell (x10-12g ) liver 6.6 Lung 6.6 P 3.3 Q 0.0 Which of the following is most likely to identify correctly cell types P and Q? P Q A Kidney cell Sperm cell B Sperm cell Mature red blood cell C Mature red blood cell Sperm cell D Nerve cell Mature red blood cell 7
8 8.How many adenine molecules are present in a DNA molecule of 4000 bases, if 20% of the base molecules are cytosine? A 400 B 600 C 800 D Which of the following statements about DNA replication is correct? A Polymerase adds nucleotides to the 3 end of a DNA strand B Polymerase adds nucleotides to the 5 end of a DNA strand C D Ligase adds nucleotides to the 3 end of a DNA strand Ligase adds nucleotides to the 5 end of a DNA Strand 10.Thirty percent of bases in a DNA molecule are adenine. The percentage of cystosine bases in the same molecule is A 20% B 30% C 40% D 70% 8
9 11. Which of the following diagrams correctly represents part of a DNA molecule? The letters A, T, U, C and G represent bases. A. 3 B. 3 C. 5 D. 3 A C T A T T A C U A C G The two components which make up the backbone of each DNA strand are A B C D Ribose and phosphate group Deoxyribose and phosphate group Deoxyribose and base pairs Phosphate group and thymine 13. Which of the following statements about the structure of DNA is TRUE? A. In DNA the base pairs are held together by peptide bonds. B. Fragments of DNA are joined together by ligase C. Fragments of DNA are joined together by polymerase D. DNA contains the bases represented by the letters A, U, C and G. 9
10 14.The diagram below shows part of a DNA molecule. T A X Y T (a) (i) Copy the diagram and then, on your diagram, draw a circle around one nucleotide. 1 (ii) Name parts X and Y X Y (b) Name the two DNA bases not shown in the diagram. 1 and 1 (c) A DNA molecule was found to contain nucleotides. What is the maximum number of amino acids which could be coded for by this molecule? 1 10
11 Sub topic 3: RNA, transcription, translation 1. The function of trna in cell metabolism is to A B C D transport amino acids to be used in synthesis of proteins carry codons to the ribosomes synthesise proteins transcribe the DNA code 2. The following information refers to protein synthesis. trna anticodon G U G C G U G C A A U G U A C U G U amino acid carried by trna Histidine (his) Alanine (ala) Arginine (arg) Tyrosine (tyr) Methionine (met) Threonine (thr) What order of amino acids would be synthesised from the base sequence of DNA shown? Base sequence of DNA A arg - tyr - his B ala - met - his C ala - tyr - his D arg - tyr - thr C G T T A C G T G 3. The table below contains statements which may be TRUE or FALSE with regard to DNA replication and mrna synthesis. Which line in the table is correct? A B C D Statement Occurs in the nucleus Involved in protein synthesis Requires free DNA Replication TRUE TRUE mrna synthesis FALSE TRUE nucleotides TRUE FALSE Involves specific base TRUE TRUE pairing 11
12 4. The diagram represents part of a molecule of DNA on which a molecule of RNA is being synthesised. What does component X represent? A B C D Ribose sugar Deoxyribose sugar Phosphate Ribose phosphate 5. The diagram shows a stage in the synthesis of part of a polypeptide. Tyrosine Amino acid trna mrna T A T DNA Identify the triplet codes for the amino acid tyrosine. mrna trna A ATA UAU B UAU AUA C AUA UAU D ATA TAT 12
13 6.The diagram below illustrates the two main stages of protein synthesis. (a) Describe three differences between DNA and mrna
14 6(continued) (b) Name bases 3, 8 and 11.,, 2 (c) Where in the cytoplasm does stage 2 take place 1 (d) Name molecules X and Y. X Y 1 7(a) The diagram shows part of an mrna molecule being formed on a strand of DNA. A C A T G A C A C G A G m RNA (i) In which part of the cell is mrna formed? 1 (ii) Copy the diagram above and then, on your diagram, complete the mrna molecule by filling in the correct base sequence. (iii) How many amino acids are coded for by this section of mrna? 1 14
15 8.(a) The diagram below shows a section of a messenger RNA (mrna) molecule. Phosphate= Sugar = guanine uracil adenine (i) Name the sugar that is present in mrna 1 (ii) Which base found in mrna is not shown in the diagram? (iii) Name two parts of a cell where mrna is found (b) DNA templates are used to produce mrna molecules. (i) (ii) (iii) Copy the table below and insert the names of the DNA bases which pair with the RNA bases shown. DNA base RNA base adenine uracil guanine 1 Apart from free RNA nucleotides and a DNA template, name one other molecule that is essential for mrna synthesis. 1 Describe the part played by a mrna molecule in the manufacture of a cell protein. 3 15
16 9.The formation of a mrna strand on a section of a chromosome is shown in the diagram below. (a) Give the names of bases 1, 2 and (b) The mrna strand is constructed from free nucleotides. Name the two molecules which combine with a base to form a mrna nucleotide (c) Once completed, the mrna strand moves into the cytoplasm. What is its destination? 1 (d) Explain why the formation of mrna strands is essential to cell metabolism. 2 16
17 10. The diagram shows the synthesis of a peptide chain. (a) Name bond X and molecule Y. Bond X Molecule Y 2 (b) What term is used to describe the triplet code on the trna molecules? 1 (c) Give the abbreviated names of the next four amino acids which will be attached to complete the peptide chain. Iso 1 (d) What sequence of bases on a DNA molecule will code for the amino acid labelled thr? 1 (e) Amino acids are added to the peptide chain at the rate of 15 per second. How long will it take for the complete synthesis of the peptide shown in the diagram above? s 1 17
18 11. The diagram below shows a section through a nucleus and associated cell structures. (a) (i) Name organelle X. 1 (ii) What type of substance is manufactured by organelle X? 1 (iii) Give an example of such a substance The diagram below shows one gene within a chromosome. non coding region of the gene coding region of the gene (a) State what non-coding regions of a gene are called. 1 (b) Explain why it is important that non-coding regions are removed from the primary transcript of this gene before translation. 1 18
19 (c) The diagram below shows part of one coding region of the mrna from this gene. U G U C G G A C A U G U C A C U U G How many different types of amino acid are coded for by this region of the mrna strand? 1 19
20 Sub topic 4: Proteins, mutations and genetic disorders 1. Which type of gene mutation occurs when a codon for an amino acid is replaced by a stop codon? A Nonsense B Missense C Frameshift D Splice-site 2. Individuals with Cri-du-chat syndrome have a shortened chromosome 5. No other chromosomes are affected Which type of mutation causes Cri-du-chat syndrome? A Deletion B Insertion C Duplication D Translocation 3. In Duchenne Muscular Dystrophy (DMD) one amino acid codon is substituted with a stop codon. What type of gene mutation is this? A. Missense B. nonsense C. frameshift D. splice-site 4. In cystic fibrosis (CF) one base pair is deleted. This is an example of A: Missense B: nonsense C: frameshift D: splice-site 20
21 5. Copy and complete the table below about gene mutations: Type of mutation Missense Description Substituted nucleotide results in a stop codon, so the polypeptide is shorter. This is the result of a deletion or insertion mutation and the entire sequence of triplets after this point will be wrong. (3) 6.Whole sections of chromosomes can be altered by mutation, affecting several genes. Give an account of the three types of chromosome mutations. (3) 21
22 Sub topic 5: Human Genomics 1. During the polymerase chain reaction (PCR) samples of DNA are repeatedly heated and cooled. Why are the samples cooled? A B C D To denature DNA polymerase To slow the reaction down To allow primers to bind to target sequences To separate the DNA strands 2. What is the function of a DNA probe? A B C D To replicate a particular region of DNA To join fragments of DNA together To remove non-coding sections of DNA To detect the presence of specific DNA sequences 22
23 3. The diagram below shows the results of a paternity test. It compares DNA samples from five individuals. Woman S is the mother of child X and child Y. Men P and Q are possible fathers of these children. Woman S Man P Man Q Child X Child Y Which of the following conclusions can be drawn from these results? A B C D Man P could be the father of child X Man P could be the father of child Y Man Q could be the father of child X Man Q could be the father of child Y 4. Which of the following lines regarding DNA amplification is TRUE? Melting Annealing Extending Primers bind at two ends of the region to be amplified A. Heating the DNA to separate the strands B. Complementary strands of target 23 Heating the DNA to separate the Complementary strands of target DNA are made Primers bind at two ends of the region
24 DNA are made strands to be amplified Heating the DNA to Complementary separate the strands of target strands DNA are made C. Primers bind at two ends of the region to be amplified D. Heating the DNA to separate the strands Complementary strands of target DNA are made Primers bind at two ends of the region to be amplified 5. How many cycles of PCR have been completed if 128 molecules of DNA were produced from one double DNA helix? A. 5 B. 6 C. 7 D. 8 24
25 25
26 Sub topic 6 Metabolism and Enzymes 1. The diagram below shows a metabolic pathway that is controlled by end product inhibition. Substance 1 Substance 2 Substance 3 Substance 4 Enzyme 1 Enzyme 2 Enzyme 3 For Substance 4 to bring about end product inhibition, with which of the following would it interact. A. Enzyme 1 B. Enzyme 3 C. Substance 1 D Substance 3 2. The graph shows the effect of substrate concentration on the rate of an enzyme-catalysed reaction. At what substrate concentration is the reaction rate equal to 75% of the maximum rate? A. 6 units B. 8 units C. 12 units D. 18 units 26
27 3. The graph shows the effect of substrate concentration on the rate of an enzyme-controlled reaction. X Y Rate of reaction Substrate concentration The graph levels out between points X and Y because the A. enzyme is denatured B. active sites are saturated with substrate C. enzyme is inhibited D enzyme is activated 4. The following table gives information on the control of metabolic pathways using inhibitors. Which line in the table is CORRECT? Competitive Non-competitive Feedback inhibition Changes shape of active site of enzyme A. Binds to active site of the enzyme B. End product binds to an enzyme that catalyses a reaction early in the pathway C. Changes shape of active site of enzyme D. Binds to active site of the enzyme Type of inhibitor Changes shape of active site of enzyme Binds to active site of the enzyme End product binds to an enzyme that catalyses a reaction early in the pathway End product binds to an enzyme that catalyses a reaction early in the pathway Binds to active site of the enzyme End product binds to an enzyme that catalyses a reaction early in the pathway Changes shape of active site of enzyme 27
28 5. The diagram below represents a reaction catalysed by an enzyme in the cytochrome system. (a) What name is given to the part of the enzyme where this reaction occurs? 1 (b) Name the product of this reaction. 1 (c)cyanide is a poison which inhibits this enzyme. Suggest how cyanide is able to do this. 1 28
29 6.The graph shows the effect of increasing substrate concentration on the rate of this reaction. Rate of reaction Substrate concentration (i) Explain why the graph levels out at high substrate concentration. 1 (ii) Assuming that the enzyme is operating at its optimum ph and temperature, suggest how the rate of reaction could be increased at high substrate concentrations. 1 29
30 Sub topic 7: Respiration 1. During which of the following chemical conversions is ATP produced? A B C Amino acids protein Glucose pyruvic acid Haemoglobin oxyhaemoglobin energy 5.The diagram below shows energy transfer within a cell. Compound X + phosphate energy Cellular Processes D Nucleotides mrna Compound Y 2. The following statements relate to respiration and the mitochondrion. 1 Glycolysis takes place in the mitochondrion. 2 The mitochondrion has two membranes. 3 The rate of respiration is affected by temperature. Which of the above statements are correct? A. 1 and 2 B. 1 and 3 C. 2 and 3 D. All of them 3.In the absence of oxygen the breakdown of glucose splits from the aerobic pathway of respiration A after the formation of pyruvate B after the formation of acetyl CoA C after the formation of citric acid D at the start of glycolysis. 4.In respiration, the products of the electron transfer system are A hydrogen and carbon dioxide B water and ATP C oxygen and ADP D pyruvate and water. Which line in the table below identified correctly compounds X and Y? X Y A glucose ATP B glucose ADP C ADP ATP D ATP glucose 6.The following chart shows stages in the complete breakdown of glucose in aerobic respiration. Glucose Pyruvate Stage X Stage Y Citric acid cycle Stage Z At which stage or stages is hydrogen released to be picked up by hydrogen acceptors? A. Stages X, Y and Z B. Stages X and Y only C. Stages Y and Z only D. Stage Z only 30
31 7.In respiration, the sequence of reactions resulting in the conversion of glucose to pyruvare is called A. the cytochrome system B. the TCA cycle 11. The graph below shows changes which occur in the masses of protein, fat and carbohydrate in a person s body during seven weeks without food. C. the Krebs cycle D. glycolysis. 8. The diagram shows part of a liver cell with four parts labelled. In which part is most ATP produced? Weeks without food 9. Glycolysis takes place in the F. nucleus G. Inner membrane of mitochondria H. matrix of mitochondria I. cytoplasm. 10. The following diagram represents stages in the complete breakdown of glucose in aerobic respiration. Glucose Stage X The person s starting weight was 60kg. Predict their weight after two weeks without food. A. 57kg B. 54kg C. 50kg D. 43kg 12.The diagram below represents stages in tissue respiration. oxygen ADP+P D A + Pyruvate Stage Y Krebs cycle Stage Z At which stage, or stages, is carbon dioxide released? A. Stages X and Z B. Stages X and Y C. Stages Y and Z D. Stage Z only. B + carbon dioxide Which box represents ATP? C relaxed muscle 31
32 13. Which of the following statements about the role of dehydrogenase enzyme in respiration is TRUE? A. Dehydrogenase enzymes remove oxygen ions from a substrate B. Dehydrogenase enzymes add hydrogen ions to a substrate C. Dehydrogenase enzymes remove hydrogen ions from a substrate D. Dehydrogenase enzymes add oxygen ions to a substrate 14. The diagram below shows two stages of respiration Stage A Glucose Pyruvate Acetyl coenzyme A (a) (i) Identify stages A and B. Stage A Stage B (ii) Name Substance X. (b) During Stage A, glucose is converted to pyruvate. Name the molecule that provides phosphate for this conversion. 1 (c) The conversion of citrate to substance X in Stage B involves several reactions. 32
33 Name two molecules, apart from NADH, which are produced during these reactions (d) Phosphofructokinase is an enzyme involved in Stage A. The presence of excess citrate inhibits this enzyme. Explain why this is important in the conservation of resources in the cell. 1 33
34 15. The diagram below shows some of the reactions which occur during aerobic respiration. glucose Stage A Pyruvic acid acetyl CoA 4-carbon compound Stage B Citric acid reduced molecule R Molecule R water Stage C molecule S (a) Complete the table by naming stages A, B and C and indicating their exact location within cell. Stage Name Location A B C 3 (b) Complete the following sentences by naming molecules R and S and describing their function with respect to stage C. 34
35 R is and its function is S is and its function is 16.The diagram below represents two stages in the chemistry of respiration in a cell which is respiring aerobically. Glucose 3-carbon compound Coenzyme A (CoA) X Acetyl (2C) coenzyme A 4 carbon compound 6 carbon compound 5 carbon compound (a) Name the 3-carbon compound and the 6-carbon compound. 3C 6C 2 (b) Copy the diagram and draw a line across it to indicate where this series of reactions would stop if oxygen were not available. 1 (c) State the precise location of the Krebs cycle within the cell 1 (d) Complete the table below to name product X and to describe what happens to each of the products. Product Fate of product 35
36 X Hydrogen 17. Which of the following equations describes correctly the role of creatine phosphate? A ADP + phosphate + creatine B creatine phosphate + ADP C creatine phosphate + ATP D ATP + phosphate creatine phosphate + ATP ATP + creatine ADP + phosphate + creatine creatine phosphate + ADP 18.The diagram below shows three stages that occur during aerobic respiration. Stage X Reactions in the cytoplasm 1 Stage Y 2 Stage Z metabolic products Reactions in Reaction in matrix of Inner mitochondrion menbrane of mitochondrion (a).name each stage. X Y Z (b) Arrows 1 and 2 represent the transfer of molecules from one stage to another. Copy and complete the table to identify these molecules. Arrow Name of molecule (c) Name the two metabolic products of stage Z. and 1 (d)the diagram below shows a mitochondrion from a skin cell. 36
37 Describe how the structure of mitochondrion from an active muscle cell would differ from the one shown. Give a reason for your answer. Structural difference 1 Reason 1 19.The diagram below shows the metabolism of three energy sources in a cell. proteins carbohydrates fats Intermediate compound glycerol X Gas Z pyruvate acetyl CoA Y (a) Name X, Y and Z X Y Z 2 (b) respiration? What term describes the breakdown of carbohydrate into pyruvate during 1 (c) Describe what happens to acetyl CoA after it enters the citric acid cycle. 1 37
38 20.The diagram shows the role of ATP in cell metabolism. glucose + oxygen + proteins Pathway X process Y + ATP (a)copy and complete the diagram by entering the names of the appropriate substances. 3 (b)name one stage of pathway X and state where it occurs in the cell. Stage Location 1 (c) Name the organelle where process Y occurs. 1 (d)name a respiratory substrate other than glucose. 1 21(a) The table below contains three statements about two stages of cellular respiration. Copy and complete the table to indicate whether the statements are True (T) or False (F) for each stage. Stages of Respiration Statement Glycolysis Cytochrome System Occurs in the mitochondrion T Releases carbon dioxide Uses oxygen F 38
39 2 (b)the diagram below summarises anaerobic respiration in a muscle cell. Glucose (6C) X (3C) Lactic acid (3C) Pathway Y (i) Name substance X 1 (ii) Which substance would need to be present for pathway Y to occur? 1 (iii) Why is anaerobic respiration considered to be a less efficient process than aerobic respiration? 1 (iv) Glucose is not stored in muscle cells. Name the carbohydrate which is stored in muscle cells. 1 39
Higher Human Biology Unit 1: Human Cells Pupils Learning Outcomes
Higher Human Biology Unit 1: Human Cells Pupils Learning Outcomes 1.1 Division and Differentiation in Human Cells I can state that cellular differentiation is the process by which a cell develops more
More informationDiscuss the ethical considerations that must be taken into account when using embryonic stem cells for research.
Revised Higher Human Biology Unit 1 Revision Summary STEM CELLS, DIFFERENTATION & CANCER CELLS Stem cells are undifferentiated biological cells, that can differentiate into specialized cells and can divide
More informationCentral Dogma. 1. Human genetic material is represented in the diagram below.
Central Dogma 1. Human genetic material is represented in the diagram below. 4. If 15% of a DNA sample is made up of thymine, T, what percentage of the sample is made up of cytosine, C? A) 15% B) 35% C)
More informationProtein Synthesis
HEBISD Student Expectations: Identify that RNA Is a nucleic acid with a single strand of nucleotides Contains the 5-carbon sugar ribose Contains the nitrogen bases A, G, C and U instead of T. The U is
More informationDNA DNA Profiling 18. Discuss the stages involved in DNA profiling 19. Define the process of DNA profiling 20. Give two uses of DNA profiling
Name: 2.5 Genetics Objectives At the end of this sub section students should be able to: 2.5.1 Heredity and Variation 1. Discuss the diversity of organisms 2. Define the term species 3. Distinguish between
More informationBundle 5 Test Review
Bundle 5 Test Review DNA vs. RNA DNA Replication Gene Mutations- Protein Synthesis 1. Label the different components and complete the complimentary base pairing. What is this molecule called? _Nucleic
More information1.5 Nucleic Acids and Their Functions Page 1 S. Preston 1
AS Unit 1: Basic Biochemistry and Cell Organisation Name: Date: Topic 1.5 Nucleic Acids and their functions Page 1 From the syllabus: 1.5 Nucleic Acids and Their Functions Page 1 S. Preston 1 l. Nucleic
More informationChapter 8: DNA and RNA
Chapter 8: DNA and RNA Lecture Outline Enger, E. D., Ross, F. C., & Bailey, D. B. (2012). Concepts in biology (14th ed.). New York: McGraw- Hill. 1 8-1 DNA and the Importance of Proteins Proteins play
More informationDNA Structure and Replication. Higher Human Biology
DNA Structure and Replication Higher Human Biology Learning Intention Describe the structure of DNA Explain the base pairing rule using adenine, thymine, cytosine and guanine 1 Division and differentiation
More informationRNA & PROTEIN SYNTHESIS
RNA & PROTEIN SYNTHESIS DNA & RNA Genes are coded DNA instructions that control the production of proteins within the cell. The first step in decoding these genetic messages is to copy part of the nucleotide
More informationDNA. translation. base pairing rules for DNA Replication. thymine. cytosine. amino acids. The building blocks of proteins are?
2 strands, has the 5-carbon sugar deoxyribose, and has the nitrogen base Thymine. The actual process of assembling the proteins on the ribosome is called? DNA translation Adenine pairs with Thymine, Thymine
More informationDNA is the genetic material. DNA structure. Chapter 7: DNA Replication, Transcription & Translation; Mutations & Ames test
DNA is the genetic material Chapter 7: DNA Replication, Transcription & Translation; Mutations & Ames test Dr. Amy Rogers Bio 139 General Microbiology Hereditary information is carried by DNA Griffith/Avery
More informationGENETICS and the DNA code NOTES
GENETICS and the DNA code NOTES BACKGROUND DNA is the hereditary material of most organisms. It is an organic compound made of two strands, twisted around one another to form a double helix. Each strand
More informationtranslation The building blocks of proteins are? amino acids nitrogen containing bases like A, G, T, C, and U Complementary base pairing links
The actual process of assembling the proteins on the ribosome is called? translation The building blocks of proteins are? Complementary base pairing links Define and name the Purines amino acids nitrogen
More informationNucleic acids deoxyribonucleic acid (DNA) ribonucleic acid (RNA) nucleotide
Nucleic Acids Nucleic acids are molecules that store information for cellular growth and reproduction There are two types of nucleic acids: - deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) These
More informationBIOLOGY LTF DIAGNOSTIC TEST DNA to PROTEIN & BIOTECHNOLOGY
Biology Multiple Choice 016074 BIOLOGY LTF DIAGNOSTIC TEST DNA to PROTEIN & BIOTECHNOLOGY Test Code: 016074 Directions: Each of the questions or incomplete statements below is followed by five suggested
More informationComparing RNA and DNA
RNA The Role of RNA Genes contain coded DNA instructions that tell cells how to build proteins. 1 st step in decoding these genetic instructions = copy part of the base sequence from DNA into RNA. 2 nd
More informationBio 101 Sample questions: Chapter 10
Bio 101 Sample questions: Chapter 10 1. Which of the following is NOT needed for DNA replication? A. nucleotides B. ribosomes C. Enzymes (like polymerases) D. DNA E. all of the above are needed 2 The information
More informationAdv Biology: DNA and RNA Study Guide
Adv Biology: DNA and RNA Study Guide Chapter 12 Vocabulary -Notes What experiments led up to the discovery of DNA being the hereditary material? o The discovery that DNA is the genetic code involved many
More informationCHAPTER 11 DNA NOTES PT. 4: PROTEIN SYNTHESIS TRANSCRIPTION & TRANSLATION
CHAPTER 11 DNA NOTES PT. 4: PROTEIN SYNTHESIS TRANSCRIPTION & TRANSLATION DNA and the Language of Life RECAP Synthesis= Making something Protein Synthesis= Making Proteins Three steps in Protein Synthesis
More informationChapter 2 - DNA MC [37 marks]
Chapter 2 - N MC [37 marks] 1. The image shows a N nucleotide. Which correctly identifies the parts labelled I and II? C 2. Which model represents transcription? 3. Which sequence represents the order
More informationChapter 13. From DNA to Protein
Chapter 13 From DNA to Protein Proteins All proteins consist of polypeptide chains A linear sequence of amino acids Each chain corresponds to the nucleotide base sequenceof a gene The Path From Genes to
More informationFrom Gene to Protein Transcription and Translation
Name: Hour: From Gene to Protein Transcription and Translation Introduction: In this activity you will learn how the genes in our DNA influence our characteristics. For example, how can a gene cause albinism
More informationDNA Begins the Process
Biology I D N A DNA contains genes, sequences of nucleotide bases These Genes code for polypeptides (proteins) Proteins are used to build cells and do much of the work inside cells DNA Begins the Process
More informationCHAPTER 22: Nucleic Acids & Protein Synthesis. General, Organic, & Biological Chemistry Janice Gorzynski Smith
CHAPTER 22: Nucleic Acids & Protein Synthesis General, rganic, & Biological Chemistry Janice Gorzynski Smith CHAPTER 22: Nucleic Acids & Protein Synthesis Learning bjectives: q Nucleosides & Nucleo@des:
More informationDNA- THE MOLECULE OF LIFE
DNA- THE MOLECULE OF LIFE STRUCTURE OF DNA DNA (Deoxyribonucleic Acid): DNA is a long, stringy, twisted molecule made up of nucleotides that carries genetic information. DISCOVERIES Rosalind Franklin,
More informationGene Expression REVIEW Packet
Name Pd. # Gene Expression REVIEW Packet 1. Fill-in-the-blank General Summary Transcription & the Big picture Like, ribonucleic acid (RNA) is a acid a molecule made of nucleotides linked together. RNA
More informationDNA: The Molecule of Heredity
1 DNA: The Molecule of Heredity DNA Deoxyribonucleic acid Is a type of nucleic acid What chromosomes (and genes) are made of Made up of repeating nucleotide subunits 1 nucleotide looks like: Phosphate
More informationSTUDY GUIDE SECTION 10-1 Discovery of DNA
STUDY GUIDE SECTION 10-1 Discovery of DNA Name Period Date Multiple Choice-Write the correct letter in the blank. 1. The virulent strain of the bacterium S. pneumoniae causes disease because it a. has
More informationBundle 6 Test Review
Bundle 6 Test Review DNA vs. RNA DNA Replication Gene Mutations- Protein Synthesis 1. Label the different components and complete the complimentary base pairing. What is this molecule called? Deoxyribonucleic
More informationChapter 15 DNA and RNA
Chapter 15 DNA and RNA www.mrcbiology.com 1 Variation Variation means that individuals in a species have different characteristics to one another. Acquired Variation are not inherited. e.g learnt during
More informationPre-Lab: Molecular Biology
Pre-Lab: Molecular Biology Name 1. What are the three chemical parts of a nucleotide. Draw a simple sketch to show how the three parts are arranged. 2. What are the rules of base pairing? 3. In double
More informationChapter 2 DNA extended response [108 marks]
Chapter 2 DNA extended response [108 marks] 1a. Describe the genetic code and its relationship to polypeptides and proteins. Remember, up to TWO quality of construction marks per essay. a. (the genetic
More informationDNA and RNA. Chapter 12
DNA and RNA Chapter 12 History of DNA Late 1800 s scientists discovered that DNA is in the nucleus of the cell 1902 Walter Sutton proposed that hereditary material resided in the chromosomes in the nucleus
More informationDNA- THE MOLECULE OF LIFE. Link
DNA- THE MOLECULE OF LIFE Link STRUCTURE OF DNA DNA (Deoxyribonucleic Acid): DNA is a long, stringy, twisted molecule made up of nucleotides that carries genetic information. DISCOVERIES Rosalind Franklin,
More informationDNA & DNA Replication
DNA & DNA Replication DNA Structure How did Watson and Crick contribute to our understanding of genetics? Watson and Crick developed the double helix model for DNA DNA Structure What is a double helix?
More informationDNA and RNA. Chapter 12
DNA and RNA Chapter 12 Warm Up Exercise Test Corrections Make sure to indicate your new answer and provide an explanation for why this is the correct answer. Do this with a red pen in the margins of your
More informationWhat is DNA??? DNA = Deoxyribonucleic acid IT is a molecule that contains the code for an organism s growth and function
Review DNA and RNA 1) DNA and RNA are important organic compounds found in cells, called nucleic acids 2) Both DNA and RNA molecules contain the following chemical elements: carbon, hydrogen, oxygen, nitrogen
More informationSummary 12 1 DNA RNA and Protein Synthesis Chromosomes and DNA Replication. Name Class Date
Chapter 12 Summary DNA and RNA 12 1 DNA To understand genetics, biologists had to learn the chemical structure of the gene. Frederick Griffith first learned that some factor from dead, disease-causing
More informationDNA, Replication and RNA
DNA, Replication and RNA The structure of DNA DNA, or Deoxyribonucleic Acid, is the blue prints for building all of life. DNA is a long molecule made up of units called NUCLEOTIDES. Each nucleotide is
More informationDo you remember. What is a gene? What is RNA? How does it differ from DNA? What is protein?
Lesson 1 - RNA Do you remember What is a gene? What is RNA? How does it differ from DNA? What is protein? Gene Segment of DNA that codes for building a protein DNA code is copied into RNA form, and RNA
More informationName Class Date. Practice Test
Name Class Date 12 DNA Practice Test Multiple Choice Write the letter that best answers the question or completes the statement on the line provided. 1. What do bacteriophages infect? a. mice. c. viruses.
More informationProtein Synthesis: Transcription and Translation
Protein Synthesis: Transcription and Translation Proteins In living things, proteins are in charge of the expression of our traits (hair/eye color, ability to make insulin, predisposition for cancer, etc.)
More informationDNA REPLICATION REVIEW
Biology Ms. Ye DNA REPLICATION REVIEW 1. Number the steps of DNA replication the correct order (1, 2, 3): Name Date Block Daughter strands are formed using complementary base pairing DNA unwinds The DNA
More informationAP BIOLOGY RNA, DNA, & Proteins Chapters 16 & 17 Review
AP BIOLOGY RNA, DNA, & Proteins Chapters 16 & 17 Review Enzyme that adds nucleotide subunits to an RNA primer during replication DNA polymerase III Another name for protein synthesis translation Sugar
More informationBio11 Announcements. Ch 21: DNA Biology and Technology. DNA Functions. DNA and RNA Structure. How do DNA and RNA differ? What are genes?
Bio11 Announcements TODAY Genetics (review) and quiz (CP #4) Structure and function of DNA Extra credit due today Next week in lab: Case study presentations Following week: Lab Quiz 2 Ch 21: DNA Biology
More informationPROTEIN SYNTHESIS Flow of Genetic Information The flow of genetic information can be symbolized as: DNA RNA Protein
PROTEIN SYNTHESIS Flow of Genetic Information The flow of genetic information can be symbolized as: DNA RNA Protein This is also known as: The central dogma of molecular biology Protein Proteins are made
More information6- Important Molecules of Living Systems. Proteins Nucleic Acids Taft College Human Physiology
6- Important Molecules of Living Systems Proteins Nucleic Acids Taft College Human Physiology Proteins Proteins- made from: C, H, O, N, and S. Proteins are very large molecules composed of long chains
More information1. DNA, RNA structure. 2. DNA replication. 3. Transcription, translation
1. DNA, RNA structure 2. DNA replication 3. Transcription, translation DNA and RNA are polymers of nucleotides DNA is a nucleic acid, made of long chains of nucleotides Nucleotide Phosphate group Nitrogenous
More informationActivity A: Build a DNA molecule
Name: Date: Student Exploration: Building DNA Vocabulary: double helix, DNA, enzyme, lagging strand, leading strand, mutation, nitrogenous base, nucleoside, nucleotide, replication Prior Knowledge Questions
More informationGAUTENG DEPARTMENT OF EDUCATION SENIOR SECONDARY INTERVENTION PROGRAMME. LIFE SCIENCE Grade 12 Session 9: Nucleic Acids DNA and RNA (LEARNER NOTES)
Learner Note: Please ensure that you understand that the nucleus is an organelle located in a cell. Go through the structure of DNA and RNA very carefully. You MUST understand the structure and combination
More informationCreate a model to simulate the process by which a protein is produced, and how a mutation can impact a protein s function.
HASPI Medical Biology Lab 0 Purpose Create a model to simulate the process by which a protein is produced, and how a mutation can impact a protein s function. Background http://mssdbio.weebly.com/uploads/1//7/6/17618/970_orig.jpg
More informationDNA and RNA 2/14/2017. What is a Nucleic Acid? Parts of Nucleic Acid. DNA Structure. RNA Structure. DNA vs RNA. Nitrogen bases.
DNA and RNA Nucleic Acids What is a Nucleic Acid? Nucleic Acids are organic molecules that carry information needed to make proteins Remember: proteins carry out ALL cellular activity There are two types
More informationNucleic Acids: DNA and RNA
Nucleic Acids: DNA and RNA Living organisms are complex systems. Hundreds of thousands of proteins exist inside each one of us to help carry out our daily functions. These proteins are produced locally,
More informationCHAPTER 17 FROM GENE TO PROTEIN. Section C: The Synthesis of Protein
CHAPTER 17 FROM GENE TO PROTEIN Section C: The Synthesis of Protein 1. Translation is the RNA-directed synthesis of a polypeptide: a closer look 2. Signal peptides target some eukaryotic polypeptides to
More informationTRANSCRIPTION AND TRANSLATION
TRANSCRIPTION AND TRANSLATION Bell Ringer (5 MINUTES) 1. Have your homework (any missing work) out on your desk and ready to turn in 2. Draw and label a nucleotide. 3. Summarize the steps of DNA replication.
More informationPROTEIN SYNTHESIS. copyright cmassengale
PROTEIN SYNTHESIS 1 DNA and Genes 2 Roles of RNA and DNA DNA is the MASTER PLAN RNA is the BLUEPRINT of the Master Plan 3 RNA Differs from DNA RNA has a sugar ribose DNA has a sugar deoxyribose 4 Other
More informationChapter 13 - Concept Mapping
Chapter 13 - Concept Mapping Using the terms and phrases provided below, complete the concept map showing the discovery of DNA structure. amount of base pairs five-carbon sugar purine DNA polymerases Franklin
More informationMolecular Biology of the Gene
Molecular Biology of the Gene : where the genetic information is stored, blueprint for making proteins. RNA: Always involved in protein synthesis Macromolecules (polymers!) Monomers (units): nucleotides
More informationRNA and Protein Synthesis
RNA and Protein Synthesis CTE: Agriculture and Natural Resources: C5.3 Understand various cell actions, such as osmosis and cell division. C5.4 Compare and contrast plant and animal cells, bacteria, and
More informationGene Expression Transcription/Translation Protein Synthesis
Gene Expression Transcription/Translation Protein Synthesis 1. Describe how genetic information is transcribed into sequences of bases in RNA molecules and is finally translated into sequences of amino
More informationTranscription and Translation
Biology Name: Morales Date: Period: Transcription and Translation Directions: Read the following and answer the questions in complete sentences. DNA is the molecule of heredity it determines an organism
More informationDNA RNA PROTEIN SYNTHESIS -NOTES-
DNA RNA PROTEIN SYNTHESIS -NOTES- THE COMPONENTS AND STRUCTURE OF DNA DNA is made up of units called nucleotides. Nucleotides are made up of three basic components:, called deoxyribose in DNA In DNA, there
More information8/21/2014. From Gene to Protein
From Gene to Protein Chapter 17 Objectives Describe the contributions made by Garrod, Beadle, and Tatum to our understanding of the relationship between genes and enzymes Briefly explain how information
More informationGenes and Proteins in Health. and Disease
Genes and Health and I can describe the structure of proteins All proteins contain the chemical elements Carbon, Hydrogen, Oxygen and Nitrogen. Some also contain sulphur. Proteins are built from subunits
More informationDNA Replication and Protein Synthesis
DNA Replication and Protein Synthesis DNA is Deoxyribonucleic Acid. It holds all of our genetic information which is passed down through sexual reproduction DNA has three main functions: 1. DNA Controls
More informationDNA/RNA STUDY GUIDE. Match the following scientists with their accomplishments in discovering DNA using the statement in the box below.
Name: Period: Date: DNA/RNA STUDY GUIDE Part A: DNA History Match the following scientists with their accomplishments in discovering DNA using the statement in the box below. Used a technique called x-ray
More informationReplication Review. 1. What is DNA Replication? 2. Where does DNA Replication take place in eukaryotic cells?
Replication Review 1. What is DNA Replication? 2. Where does DNA Replication take place in eukaryotic cells? 3. Where does DNA Replication take place in the cell cycle? 4. 4. What guides DNA Replication?
More informationTranscription. Unit: DNA. Central Dogma. 2. Transcription converts DNA into RNA. What is a gene? What is transcription? 1/7/2016
Warm Up Questions 1. Where is DNA located? 2. Name the 3 parts of a nucleotide. 3. Enzymes can catalyze many different reactions (T or F) 4. How many variables should you have in an experiment? 5. A red
More information2. The instructions for making a protein are provided by a gene, which is a specific segment of a molecule.
From Gene to Protein Transcription and Translation By Dr. Ingrid Waldron and Dr. Jennifer Doherty, Department of Biology, University of Pennsylvania, Copyright, 2011 1 In this activity you will learn how
More informationNucleic acids and protein synthesis
THE FUNCTIONS OF DNA Nucleic acids and protein synthesis The full name of DNA is deoxyribonucleic acid. Every nucleotide has the same sugar molecule and phosphate group, but each nucleotide contains one
More informationRead and take notes on pages
Protein Synthesis Read and take notes on pages 336-340 What is protein? Proteins Polypeptide chains of amino acids Are enzymes that catalyze biochemical reactions and are vital to metabolism. They have
More informationDNA/RNA STUDY GUIDE. Match the following scientists with their accomplishments in discovering DNA using the statement in the box below.
Name: Period: Date: DNA/RNA STUDY GUIDE Part A: DNA History Match the following scientists with their accomplishments in discovering DNA using the statement in the box below. Used a technique called x-ray
More informationNON MENDELIAN GENETICS. DNA, PROTEIN SYNTHESIS, MUTATIONS DUE DECEMBER 8TH
NON MENDELIAN GENETICS. DNA, PROTEIN SYNTHESIS, MUTATIONS DUE DECEMBER 8TH MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY 11/14 11/15 11/16 11/17 11/18 Non-Mendelian Genetics DNA Structure and Replication 11/28
More informationtest 7 3. What is the main function of a vacuole in a cell?
test 7 Name: Date: 1. ase your answer(s) to the following question(s) on the diagram below and on your knowledge of biology. The diagram represents a model cell setup. The locations of three different
More informationProtein Synthesis: Transcription and Translation
Review Protein Synthesis: Transcription and Translation Central Dogma of Molecular Biology Protein synthesis requires two steps: transcription and translation. DNA contains codes Three bases in DNA code
More informationChromosomes. Chromosomes. Genes. Strands of DNA that contain all of the genes an organism needs to survive and reproduce
Chromosomes Chromosomes Strands of DNA that contain all of the genes an organism needs to survive and reproduce Genes Segments of DNA that specify how to build a protein genes may specify more than one
More informationActive Learning Exercise 9. The Hereditary Material: DNA
Name Biol 211 - Group Number Active Learning Exercise 9. The Hereditary Material: DNA Reference: Chapter 16 (Biology by Campbell/Reece, 8 th ed.) 1. a.) What is a nucleotide? b.) What is a nitrogen base?
More informationClick here to read the case study about protein synthesis.
Click here to read the case study about protein synthesis. Big Question: How do cells use the genetic information stored in DNA to make millions of different proteins the body needs? Key Concept: Genetics
More informationRNA and PROTEIN SYNTHESIS. Chapter 13
RNA and PROTEIN SYNTHESIS Chapter 13 DNA Double stranded Thymine Sugar is RNA Single stranded Uracil Sugar is Ribose Deoxyribose Types of RNA 1. Messenger RNA (mrna) Carries copies of instructions from
More informationGENETICS: BIOLOGY HSA REVIEW
GENETICS: BIOLOGY HSA REVIEW HSA Review A. Matching: On the lines provided, write the letter of the definition of each term. a. genetics f. gamete b. trait g. probability c. hybrid h. Punnett square d.
More informationProtein Synthesis. OpenStax College
OpenStax-CNX module: m46032 1 Protein Synthesis OpenStax College This work is produced by OpenStax-CNX and licensed under the Creative Commons Attribution License 3.0 By the end of this section, you will
More informationChapter 17 Nucleic Acids and Protein Synthesis
Chapter 17 Nucleic Acids and Protein Synthesis Nucleic Acids Nucleic acids are the components that make up the genetic material DNA (deoxyribonucleic acid). DNA is a macromolecule which contains all the
More informationDNA & Protein Synthesis UNIT D & E
DNA & Protein Synthesis UNIT D & E How this Unit is broken down Chapter 10.1 10.3 The structure of the genetic material Chapter 10.4 & 10.5 DNA replication Chapter 10.6 10.15 The flow of genetic information
More informationCHAPTER 21 DNA AND BIOTECHNOLOGY
CHAPTER 21 DNA AND BIOTECHNOLOGY BEHAVIORAL OBJECTIVES 1. Describe the structure of DNA including the components of nucleotides, which parts of the nucleotides are covalently bonded to form DNA, and the
More informationCell Biology Homework
Cell Biology Homework NAME: CLASS: 1 1. The diagram below shows two cells. Cell Structure a) Complete the table below to give the name and functions of the parts labelled A, B and C. (2) Letter Part Function
More informationFrom Gene to Protein Transcription and Translation i
How do genes influence our characteristics? From Gene to Protein Transcription and Translation i A gene is a segment of DNA that provides the instructions for making a protein. Proteins have many different
More information3. INHERITED MUTATIONS
THE CENTRAL DOGMA OF BIOLOGY 1. DNA B4.2 The genetic information encoded in DNA molecules provides instructions for assembling protein molecules. Genes are segments of DNA molecules. Inserting, deleting,
More informationSelf-test Quiz for Chapter 12 (From DNA to Protein: Genotype to Phenotype)
Self-test Quiz for Chapter 12 (From DNA to Protein: Genotype to Phenotype) Question#1: One-Gene, One-Polypeptide The figure below shows the results of feeding trials with one auxotroph strain of Neurospora
More informationUNIT 4. DNA, RNA, and Gene Expression
UNIT 4 DNA, RNA, and Gene Expression DNA STRUCTURE DNA is the primary material that causes recognizable, inheritable characteristics in related groups of organisms. DNA is the GENETIC MATERIAL Contain
More informationThe common structure of a DNA nucleotide. Hewitt
GENETICS Unless otherwise noted* the artwork and photographs in this slide show are original and by Burt Carter. Permission is granted to use them for non-commercial, non-profit educational purposes provided
More information2012 GENERAL [5 points]
GENERAL [5 points] 2012 Mark all processes that are part of the 'standard dogma of molecular' [ ] DNA replication [ ] transcription [ ] translation [ ] reverse transposition [ ] DNA restriction [ ] DNA
More information1. The diagram below shows an error in the transcription of a DNA template to messenger RNA (mrna).
1. The diagram below shows an error in the transcription of a DNA template to messenger RNA (mrna). Which statement best describes the error shown in the diagram? (A) The mrna strand contains the uracil
More informationDNA: The Molecule of Heredity
DNA: The Molecule of Heredity STRUCTURE AND FUNCTION - a nucleic acid o C, H, O, N, P o Made of nucleotides = smaller subunits o Components of nucleotides: Deoxyribose (simple sugar) Phosphate group Nitrogen
More informationStudent Exploration: RNA and Protein Synthesis Due Wednesday 11/27/13
http://www.explorelearning.com Name: Period : Student Exploration: RNA and Protein Synthesis Due Wednesday 11/27/13 Vocabulary: Define these terms in complete sentences on a separate piece of paper: amino
More informationChapter 2 Molecules to enzymes - Short answer [72 marks]
Chapter 2 Molecules to enzymes - Short answer [72 marks] 1a. Outline primary and quaternary protein structures. Primary protein structure: Quaternary protein structure: a. (primary structure) is sequence
More informationDNA Structure and Protein synthesis
DNA Structure and Protein synthesis What is DNA? DNA = deoxyribonucleic acid Chromosomes are made of DNA It carries genetic information: controls the activities of cells by providing instructions for making
More information