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Other quiz:

Immunology › View

A T lymphocyte which has not encountered an antigen yet

A. Novice

B. Small

C. Stem

D. Naive

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Genetics › View

Mutations in DNA are very common since the human body copies millions of pieces of DNA. A student claims that most of these mutations in DNA are harmful.

Is the claim correct?
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A. Yes. Most mutations stop the cells from functioning properly.

B. Yes. Most mutations are inherited and harm future generations.

C. No. Most mutations are corrected by enzymes in the body before the mutations take effect.

D. No. Most mutations are beneficial.

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