Biological Science (7th Edition)
7th Edition
ISBN: 9780134678320
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Chapter 15, Problem 7TYU
How does telomeraseprevent linear chromosomes from shortening during replication?
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Why would chromosomes shorten with each replication cycle in the absence of telomerase?
What is the end-replication problem? Why, in the absence of telomerase, do the ends of linear chromosomes get progressively shorter each time the DNA is replicated?
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Chapter 15 Solutions
Biological Science (7th Edition)
Ch. 15 - 1. Which of the following is not a property of DNA...Ch. 15 - 2. What is the function of primase?
a. synthesis...Ch. 15 - 3. How are Okazaki fragments synthesized?
a. using...Ch. 15 - Prob. 4TYKCh. 15 - PROCESS OF SCIENCE Researchers design experiments...Ch. 15 - 7. How does telomerase prevent linear chromosomes...Ch. 15 - Prob. 8TYUCh. 15 - Prob. 11PIATCh. 15 - Prob. 12PIATCh. 15 - Prob. 14PIAT
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- In terms of the new DNA strands that are generated, what are the differences between replication and conventional polymerase chain reaction?arrow_forwardIn what ways does chromosomal replication in eukaryotes differ from DNA replication in prokaryotes?arrow_forwardHow does the process of DNA replication generate mismatch mutations? What mechanisms are available to fix these errors during the process of replication?arrow_forward
- How is DNA replication initiated in prokaryotes and eukaryotes? How is this process controlled and regulated?arrow_forwardIn terms of new DNA strands that are generated, what are the differences between replication and conventional polymerase chain reactions?arrow_forwardWhat are the replication origins in bacteria, yeast, and mammalian cells?arrow_forward
- What similarities and differences exist in the enzymatic activities of DNA polymerases I and III? What is the function of each DNA polymerase in bacterial cells?arrow_forwardExplain why telomeres and telomerase are needed for replication of eukaryotic chromosomes but not bacterial chromosomes.arrow_forwardis replication unidirectional or bidirectional?arrow_forward
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