Free radicals are thought to damage body cells because
A) they bind with needed enzymes,thereby preventing the reactions that the enzyme normally catalyzes from proceeding.
B) they replace their missing electrons with those from cell molecules,thereby damaging the cell.
C) they build up in the arteries and cause arteriosclerosis.
D) they actively breakdown organelles.
E) they signal the cell to divide before it is ready to.
Correct Answer:
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