Which theory of aging suggests that oxygen molecules that have an unstable electron cause damage to the structure of cells, increasing with age?
A) wear-and-tear theory
B) cellular-clock theory
C) disengagement theory
D) free-radical theory

Question

Quizplus · Accepted Answer

The free-radical theory of aging suggests that oxygen molecules with an unstable electron, known as free radicals, cause damage to the structure of cells, leading to aging. This damage increases with age as free radicals build up in the body.

Which Theory of Aging Suggests That Oxygen Molecules That Have