Free radicals
A) have an even number of electrons in their outermost shell.
B) are rarely formed during normal cellular metabolism.
C) can extend the life of body cells.
D) can damage the integrity of cell membranes.

Question

Quizplus · Accepted Answer

Free radicals are molecules or atoms that have an unpaired electron in their outermost shell, making them unstable and reactive. This makes them dangerous to the body because they can damage the structure and function of cells, including the integrity of cell membranes. Free radicals are formed during normal cellular metabolism, and their harmful effects can contribute to a variety of diseases and aging processes.

Free Radicals