Telomere Shortening Puts a Limit on the Number of Times

question 31

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. How might adding telomerase affect cellular aging?

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

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Definitions:

Problem-Focused Coping

A strategy involving directly addressing and managing a stressful problem or challenge to mitigate its impact.

Solution-Focused Coping

A coping strategy that emphasizes identifying and implementing practical solutions to address specific problems or stressors.

Lazarus

Refers to Richard Lazarus, a psychologist known for his theory on emotion and stress, particularly the appraisal theory of stress.

Crisis Intervention

A method of assistance provided immediately after a crisis to help individuals cope and recover from the traumatic event.