Ch11MCAT

Ch11MCAT - Chapter 11 Multiple Choice 2. How can DNA, made...

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Chapter 11 Multiple Choice 2. How can DNA, made up of only 4 different bases, encode the information necessary to specify the workings of an entire organism? a. DNA molecules are extremely long. b. DNA molecules are found in the nucleus. c. DNA is transcribed into RNA and then into proteins with specific functions. d. DNA is eventually translated into proteins, which are made up of 20 different amino acids. e. None of the above Answer: a 7. Purines include a. cytosine, uracil, and thymine. b. adenine and cytosine. c. adenine and thymine. d. cytosine and thymine. e. adenine and guanine. Answer: e 10. The nitrogenous bases (and the two strands of the DNA double helix) are held together by a. weak van der Waals forces. b. covalent bonds. c. hydrogen bonds. d. Both a and b e. Both a and c Answer: c 11. Why is RNA incorporated into the DNA molecule during DNA replication? a. RNA primase adds bases that act as primers. b. RNA primase is able to use DNA as a template.
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Ch11MCAT - Chapter 11 Multiple Choice 2. How can DNA, made...

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