Telomere Shortening Puts a Limit on the Number of Times

question 45

Multiple Choice

Telomere shortening puts a limit on the number of times a cell can divide. Research has shown that telomerase can extend the life span of cultured human cells. Which of the following best explains the effect of telomerase on cellular aging?

• A) Telomerase will speed up the rate of cell proliferation.
• B) Telomerase can eliminate telomere shortening and slows aging.
• C) Telomerase shortens telomeres, which delays cellular aging.
• D) Telomerase would have no effect on cellular aging.

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Definitions:

Fractions

Mathematical expressions representing the division of one quantity by another, indicating a part of a whole.

Equal

Having the same value, measure, or quantity as something else.