The study of the structure, function, and interaction of cellular proteins is called. A) bioinformatics B) haplotypics C) genomics D) proteomics

Transcription

1 Human Biology, 12e (Mader / Windelspecht) Chapter 21 DNA Which of the following is not a component of a DNA molecule? A) a nitrogen-containing base B) deoxyribose sugar C) phosphate D) phospholipid Messenger RNA carries genetic information from the chromosomes to the. A) ribosomes B) endoplasmic reticulum C) nucleolus D) plasmids A codes for a specific sequence of amino acids in a protein. A) gene B) nucleotide C) polyribosome D) nucleic acid The study of the structure, function, and interaction of cellular proteins is called. A) bioinformatics B) haplotypics C) genomics D) proteomics Free-living organisms with a foreign gene are called organisms. A) transposed B) transmutated C) transparent D) transgenic A DNA nucleotide is made of all of the following components except: Page 1 of 5

2 A) a nitrogen-containing base B) deoxyribose sugar C) phosphate D) phospholipid Messenger RNA carries genetic information from the chromosomes to the. A) ribosomes B) endoplasmic reticulum C) nucleolus D) plasmids A codes for a specific sequence of amino acids in a protein. A) gene B) nucleotide C) polyribosome D) nucleic acid The study of the structure, function, and interaction of cellular proteins is called. A) bioinformatics B) haplotypics C) genomics D) proteomics Free-living organisms with a foreign gene are called organisms. A) transposed B) transmutated C) transparent D) transgenic DNA is shaped like a/an. A) alpha protein B) double helix C) single helix D) globular protein Page 2 of 5

3 Which of the following tasks is not accomplished by DNA? A) undergoes mutations that can provide variation B) provides energy for the cell C) stores information D) replicates to pass a copy to the next generation Which of the following statements is incorrect concerning deoxyribonucleic acid. A) It is found within the nucleus of eukaryotes. B) It can be found within mitochondria. C) It contains a ribose sugar. D) It specifies the sequence of amino acids for protein synthesis. In DNA complementary base pairing is always A) A to T and C to G. B) A to C and T to G. C) A to G and C to T. D) A to U and C to G. The ability of the DNA molecule to make a copy of itself is called: A) transcription B) replication C) transduction D) translation The two strands of DNA are considered and run in opposite directions of each other. A) parallel B) anti-parallel C) balanced D) polymorphic Which of these is not a type of RNA used during protein synthesis in the cell? A) ribosomal RNA B) messenger RNA C) transfer RNA D) None of these are correct Page 3 of 5

4 Which of the following bases is not found in RNA? A) adenine B) guanine C) thymine D) uracil involves the synthesis of an RNA molecule from a DNA template. A) Transcription B) Translation C) Duplication D) Cloning is converting the sequence of bases on mrna to a sequence of amino acids. A) Transcription B) Replication C) Translation D) Processing Transcription of part of a DNA molecule with a nucleotide sequence of CATTAG results in an mrna molecule with which complementary sequence? A) GTAATC B) GUAAUC C) GUAATC D) GTAAUC Portions of genes that code for a particular amino acids are called A) exons. B) introns. C) alleles. D) templates. There are messenger RNA codons in the genetic code. A) 16 B) 20 C) 48 Page 4 of 5

5 D) 64 uses computer technologies to study the genome. A) Bioinformatics B) Polymerase technologies C) Genomics D) Proteomics Using recombinant DNA technology, a restriction enzyme. A) can cut DNA at specific base sequences B) removes a specific gene form human DNA C) opens a bacterial plasmid D) All of these choices are correct. Page 5 of 5