Why Don't Cells Last the Entire Lifetime of an Organism

question 137

Multiple Choice

Why don't cells last the entire lifetime of an organism?

• A) The removal of the RNA primer following DNA replication leads to a shortening of the chromosome and eventual cell death.
• B) The enzyme telomerase is readily destroyed by the environment, resulting in cell death.
• C) DNA replication is subject to errors, causing premature cell death.
• D) Okazaki fragments disrupt protein synthesis, resulting in premature cell death.
• E) The repeating telomeric sequence of TTAGGG interferes with normal DNA replication and leads to cell death.

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