According to the cellular theory of aging, which of the following processes occur?
A) Free radical damage eventually gives rise to the symptoms we know as aging.
B) Cross-linking compounds in the collagen begin to accumulate and eventually impair cellular function.
C) The body's immune system begins to weaken and can no longer distinguish between bodily tissues and foreign tissues.
D) The capacity for cell division weakens over time.
E) None of these.

Question

Quizplus · Accepted Answer

The cellular theory of aging suggests that the capacity for cell division weakens over time, leading to the symptoms of aging. Free radical damage (A) and cross-linking of collagen compounds (B) are also factors in aging, but they are not part of the cellular theory. The body's immune system weakening (C) is part of the immunological theory of aging.

According to the Cellular Theory of Aging, Which of the Following