Some Research Has Indicated That Increased Exercise Is Linked to Increased

question 24

Multiple Choice

Some research has indicated that increased exercise is linked to increased telomere length in renewable tissues, like blood. Assuming that telomerase levels are not increased by exercise, what might explain the increase in telomere length?

• A) DNA replication occurred more frequently in individuals who exercised.
• B) Cell division occurred more rapidly in individuals who exercised.
• C) Telomerase activity was higher in individuals who exercised.
• D) Telomerase activity was lower in individuals who exercised.
• E) Fewer DNA replication errors occurred in individuals who exercised.

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Definitions:

Enols

Organic compounds characterized by a carbon-carbon double bond directly adjacent to a hydroxyl group, serving as intermediates in various reactions.

Organic Product

A compound or substance that has been derived from a living organism and contains carbon atoms.

Iminium Salt

A compound derived from the addition of an amine to a carbonyl compound, forming a positively charged nitrogen atom.

Alkyl Halide

A compound containing a halogen atom covalently bonded to an alkyl group; also known as a haloalkane.