HIV strains may differ by 10% within one person and by 35% in people around the globe. This is due to

A. the fact that HIV targets T cells.
B. the fact that HIV inserts its genome into the host genome.
C. both cellular and antibody-mediated responses.
D. HIV's high rate of mutation.
E. the fact that most people do not die from HIV infection.


Answer: D

Biology & Microbiology

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D) ? A B C d e
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H) a d ? c b e
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