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201_quiz_3 - sliding clamp DNA polymerase RNA nuclease...

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BIO 201: Quiz 3, Spring 2009 Name: Lapseritis DNA Replication 1. What are Okazaki fragments, where do they form, and what role do they play in replication? 2. Identify the roles for the following components of the replication machinery: DNA helicase; primase; single-strand binding protein (aka Replication Protein A);
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Unformatted text preview: sliding clamp; DNA polymerase; RNA nuclease; ligase; telomerase. 3. Eukaryotes have a serious problem when it comes to replicating DNA at the ends of chromosomes. What is the problem, and how is it overcome? Why don’t some prokaryotes have the same problem?...
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