Protection of the body cells of mammals against ultra-violet rays of the sun is brought...

Biology

WAEC 2007

Protection of the body cells of mammals against ultra-violet rays of the sun is brought about by

A. keratin
B. melanin
C. sebum
D. scales

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Correct Answer: Option B

Explanation

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Protection of the body cells of mammals against ultra-violet rays of the sun is brought...

Correct Answer: Option B

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