Chapter 6 Answers - Answers to Study Guide Chp. 6 1. A. The...

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Answers to Study Guide Chp. 6 1. A. The 3 end. DNA polymerase can add nucleotides only to the 3 -OH end of a nucleic acid chain. B. Both, due to the bidirectional nature of chromosomal replication. 2. see figure: 3. Choice (c) is the answer. An Exo polymerase will be unable to proofread and thus will hydrolyze fewer nucleotides than one that can proofread, because it cannot remove an incorrect nucleotide and try again to add the correct nucleotide (thus choice (e) is false). Choice (a) is unlikely because it postulates an entirely new function for the defective polymerase. Choice (b) is incorrect because if the rate of polymerization changes, it would become faster not slower, as a consequence of the Exo polymerase lacking a proofreading function that might cause it to stop frequently to check its products and remedy errors. Choice (d) is unlikely, because the ability to stay on the template is due to the association of polymerase with additional proteins. 4. Choice (e) is the answer. DNA from all organisms is chemically identical except for the sequence of nucleotides. The proteins listed in choices (a) through (d) can act on any
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This note was uploaded on 04/02/2008 for the course BIO 2600 taught by Professor Vanburkem during the Winter '08 term at Wayne State University.

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Chapter 6 Answers - Answers to Study Guide Chp. 6 1. A. The...

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