CPR assignment 2 student instructions

CPR assignment 2 - 4 In bacteria does DNA replication start at only one location on the entire DNA molecule Is the origin of replication in

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Assignment goals In this assignment you will: Read concept 16.2 in your text book. You will learn how DNA is replicated and repaired. Write a summary of concept 16.2 of your text using the guiding questions. Pay particular attention to the guiding questions when writing your summary! In this summary, you will clearly explain the basic principle of DNA replication then go on to explain some of the details of this process. Source Material The source material is concept 16.2 in your text book. Student instructions Read concept 16.2 of the text book. Then, following the guiding questions, write a summary of this chapter. Guiding questions In writing your summary of the text material, consider the issues raised by the following questions: 1. What was Watson and Crick’s hypothesis for DNA replication? 2. Were there other hypotheses of DNA replication? If so, what were they? 3. Much of what is known about DNA replication comes from work with bacteria. Why was the work done using bacteria DNA rather than DNA from humans?
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Unformatted text preview: 4. In bacteria, does DNA replication start at only one location on the entire DNA molecule? Is the origin of replication in bacteria randomly selected? 5. Chemical bonds are formed as nucleotides are joined together on the growing DNA strand. Where does the energy come from to drive this polymerization reaction? 6. What are Okazaki fragments? Are Okazaki fragments found on both newly made DNA strands? 7. What is a primer? Why is a primer required for DNA synthesis? 8. Is DNA polymerase III moving along the DNA molecule or does evidence indicate that DNA polymerase III stationary? 9. Do base paring errors occur? If so, are they fixed? 10. Ultraviolet light can cause thymine dimers to form in the DNA of skin cells. Why are these dimers a problem? Can this area of the DNA be repaired? 11. What are telomeres and what is their function? Writing prompt Length is about 480-850 words....
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This note was uploaded on 03/27/2008 for the course BIO 1407 taught by Professor Grise during the Spring '08 term at Texas A&M University, Corpus Christi.

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CPR assignment 2 - 4 In bacteria does DNA replication start at only one location on the entire DNA molecule Is the origin of replication in

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