Free radicals,unpaired electrons,can cause aging because
A) they collect in the organs and skin,forming large molecules that interfere with organ function.
B) they bond with molecules that are nearby,like DNA and proteins,causing damage to the molecule.
C) unpaired electrons pair up together and attack DNA.
D) free radicals seek to free other electrons so that all electrons are stripped from DNA.
E) they speed up metabolic processes,causing the organs to wear out faster.
Correct Answer:
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