Theories of Aging Quiz

Error (stochastic) theories and predetermined aging (nonstochastic) theories (correct)

Wear-and-tear theory and cross-linkage theory

Cross-linkage theory and free radical theory

Free radical theory and wear-and-tear theory

Aging is primarily caused by free radical theory.

Cells in the body become disorganized or chaotic and are no longer able to replicate, and cells die. (correct)

Aging is the result of wearing out over time because of continued use and trauma.

The visible signs of aging, such as gray hair, are solely caused by cross-linkage theory.

Increased activity of free radicals in the body

Cross-linkage of cells in the body

Accumulation of errors in the synthesis of cellular DNA and RNA (correct)

Wearing out of cells over time due to continued use and trauma

<p>Gray hair</p> Signup and view all the answers

<p>Wear-and-tear theory</p> Signup and view all the answers