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After each cell division, these chromosomal structures shorten, thus regulating the life span of a cell.a. mitochondriab. free radicalsc. telomeresd. plasma membranes
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During this process, the cell's DNA is replicated and divided into two new cells. Show more…
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Which of the following is not a function of the telomere? a. Protects the chromosomal ends. b. Synthesizes DNA from an RNA template. c. Serves as a mitotic clock, shortening with each cell division. d. Enables complete replication of the chromosome.
What is a major function of the telomeres? A) They prevent chromosomes from fusing with each other. B) They prevent DNA loss during replication. C) They allow chromosomes to segregate properly during cell division. D) A and B. E) None of the above.
Telomeres a. are found in prokaryotic and eukaryotic cells. b. shorten with each round of DNA replication in most somatic cells. c. contain essential genes. d. are A-T-rich regions where DNA replication starts in eukaryotes.
DNA: The Genetic Material
Eukaryotic Chromosomes Are Large and Linear
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