Tutorial Exam 2

Tutorial Exam 2 - Biochem 300 - Tutorial Exam #2 1) A...

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Biochem 300 - Tutorial Exam #2 1) A deletion mutation in the DnaA protein, removing its ability to bind its intended target, is likely to prevent: a) DNA repair. b) DNA replication. c) Transcription. d) Translation. e) All of the above 2) In the “activation” of an amino acid for protein synthesis: a) Leucine can be attached to tRNA Phe by the aminoacyl-tRNA synthetase specific for leucine. b) Methionine is first formylated, then attached to a specific tRNA. c) There is at least one specific activating enzyme and one specific tRNA for each amino acid d) The amino acid is attached to the 5’ end of the tRNA through a phosphodiester bond e) Two enzymes are required, one to form the aminoacyl adenylate, the other to attach the amino acid to the tRNA. 3) An Okazaki fragment has which structure? a) short DNA strand d) short RNA strand b) DNA at 5’ end, RNA at 3’ end e) none of the above c) RNA at 5’ end, DNA at 3’ end 4) Which of the following RNA types is neither processed/translated nor modified? a) eukaryotic mRNA
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Tutorial Exam 2 - Biochem 300 - Tutorial Exam #2 1) A...

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