Review_Gene_Expression Quiz

Review_Gene_Expression Quiz - Question 1 of 15

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Question 1 of 15 0.5/ 0.5 Points How can DNA damage be differentiated from a mutation? A. Damage and mutation are two words for the same phenomenon. B. Mutated DNA has a normal Watson-Crick structure, but different information. C. Damaged DNA has a normal Watson-Crick structure, but different information. D. Damage and mutations can not be told apart. Answer Key: B Question 2 of 15 0.5/ 0.5 Points Errors in the DNA are minimized by A. The stability of the DNA molecule, compared to other information carrying molecules like RNA. B. Scanning of newly made DNA by enzymes of the mismatch repair system. C. Proof-reading during DNA replication by DNA polymerase. D. Routine scanning of all DNA by enzymes of the excision repair systems. E. All of the choices contribute to the low error rate observed in DNA. Answer Key: E Question 3 of 15 0.5/ 0.5 Points Where does transcription begin on the DNA? A. Where ever there is an AUG in the DNA. B. At a ribozyme within the ribosome. C. At an AUG (start codon) in the mRNA. D. At a section of DNA called the promoter.
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Answer Key: D Question 4 of 15 0.5/ 0.5 Points The function of the ribosome during protein synthesis is to A. catalyze the addition of amino acids to the growing polypeptide chain.
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This note was uploaded on 03/08/2011 for the course BIS 2A taught by Professor Grossberg during the Fall '08 term at UC Davis.

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Review_Gene_Expression Quiz - Question 1 of 15

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