AS Quiz 06 CH375 2007-2

AS Quiz 06 CH375 2007-2 - CH375 Introduction to Biology 30...

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CH375 Introduction to Biology 2007-2 Cadet _____________________________ 30 point quiz No. 6 I hour 1. (4 pts) Which of the following is NOT a difference between RNA and DNA? a. Nucleotides are connected via phosphodiester bonds. b. RNA has ribose whereas DNA has deoxyribose. c. RNA is single stranded whereas DNA is double stranded. d. Thymine is replaced by uracil in RNA. 2. (4 pts) RNA synthesis requires a. a helicase to open the DNA strands. b. DNA nucleotides. c. a DNA template. d. a primase. 3. (4 pts) Which of the following components of RNA polymerase recognizes the promoter to start RNA synthesis? a. α (alpha) subunit b. β (beta) subunit. c. β’ (beta-prime) subunit. d. σ (sigma) subunit. 4. (4 pts) Codons can be found on the a. rRNA. b. mRNA. c. tRNA. d. snRNA. 5. (4 pts) Why are the leading strand and lagging strand of DNA synthesized in slightly different ways? a. The strands are not synthesized differently. b. The strands are anti-parallel.
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AS Quiz 06 CH375 2007-2 - CH375 Introduction to Biology 30...

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