Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 12.3, Problem 10LO
Summary Introduction
To define: Telomere and describe the possible connections between telomerase and cell aging and between telomerase and cancer.
Introduction: A telomere region has a specialized sequence of repetitive
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Chapter 12 Solutions
Biology (MindTap Course List)
Ch. 12.1 - Summarize the evidence that accumulated during the...Ch. 12.1 - Prob. 2LOCh. 12.1 - Prob. 1CCh. 12.1 - Prob. 2CCh. 12.2 - Explain how nucleotide subunits link to form a...Ch. 12.2 - Describe how the two strands of DNA are oriented...Ch. 12.2 - Prob. 5LOCh. 12.2 - Prob. 1CCh. 12.2 - Prob. 2CCh. 12.2 - Prob. 3C
Ch. 12.3 - Cite evidence from Meselson and Stahls experiment...Ch. 12.3 - Prob. 7LOCh. 12.3 - Explain the complexities of DNA replication that...Ch. 12.3 - Discuss how enzymes proofread and repair errors in...Ch. 12.3 - Prob. 10LOCh. 12.3 - How did the ability to distinguish old and newly...Ch. 12.3 - What feature of DNA structure causes DNA...Ch. 12.3 - What is the reason that eukaryotic cells require...Ch. 12 - When Griffith injected mice with a combination of...Ch. 12 - Which of the following inspired Avery and his...Ch. 12 - In the Hershey-Chase experiment with...Ch. 12 - The two complementary strands of the DNA double...Ch. 12 - If a segment of DNA is 5 CATTAC 3, the...Ch. 12 - Each DNA strand has a backbone that consists of...Ch. 12 - The experiments in which Meselson and Stahl grew...Ch. 12 - The statement DNA replicates by a semiconservative...Ch. 12 - Topoisomerases (a) synthesize DNA (b) synthesize...Ch. 12 - A lagging strand forms by (a) joining primers (b)...Ch. 12 - The immediate source of energy for DNA replication...Ch. 12 - Which of the following statements about eukaryotic...Ch. 12 - Prob. 13TYUCh. 12 - Prob. 14TYUCh. 12 - Prob. 15TYUCh. 12 - INTERPRET DATA In the Hershey-Chase experiment,...Ch. 12 - EVOLUTION LINK How does DNA being the universal...
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- How do telomerases and telomeres related to aging and cancer?arrow_forwardExplain how telomerase expression contributes to theimmortality of cancer cellsarrow_forwardDiscuss the levels of chromosomal organization with reference to the following terms: a. nucleotide b. DNA double helix c. histones d. nucleosomes e. chromatinarrow_forward
- Telomere shorting is related to aging. Telomerase can extend telomeres. Why do we not just figure out how to turn telomerase on in all of our cells so that we can live forever?arrow_forwardDescribe nucleosome supercoiling and its relationship to the radial loop–scaffold model of chromatin packaging.arrow_forwardWhat is the rationale for developing anti-cancer agents that inhibit telomerase?arrow_forward
- Define telomeres, telomerase, and senescence and describe their effects on cancer.arrow_forwardDescribe how chromatin-remodeling complexes alter nucleosomes.arrow_forwardDescribe the packaging of chromosomal DNA by histones with diagrammatic representations. Name the various histone modifications and describe any two among them.arrow_forward
- Telomerase is not active in most human cells. Some cancer biologists have suggested that activation of the telomerase gene would be a requirement for a cell to become cancerous. Explain why this might be the case.arrow_forwardThe enzyme telomerase is part protein and part RNA. What would be the most likely effect of a large deletion in the gene that encodes the RNA component of telomerase? How would the function of telomerase be affected?arrow_forwardList and describe the processes that make up the central dogma of biology which provides the path for the flow of genetic information from DNA to the proteins that are synthesized and carry out the functions needed by the cell.arrow_forward
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