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Free radicals are
a. generated during bacterial infections
b. highly reactive atom containing all paired electrons
c. oxygen gas we breathe


Sagot :

Answer:

a. generated during bacterial infections

Explanation:

Free radicals are atoms with an unpaired electron which make them highly reactive. Many of these are necessary for life, such as the intracellular killing of bacteria by phagocytic cells such as granulocytes and macrophages