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A protein on the surface of HIV an

attach to protein on the surface of
healthy human cells. These attachment
sites on the surface of human cells are
known as


A. receptor cells
B. genetic codes
B. molecular bases
D. inorganic catalysts


User Imriss
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2 Answers

3 votes
try A the receptor cells
User Knikolov
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4 votes
the answer is a, receptor cells
User John Halsey
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