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Which of the following glycoproteins on the protein coat of virus helps it in the attachment of the virus to CD4 receptors?

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in Biology – Class 12 by (271k points)
Which of the following glycoproteins on the protein coat of virus helps it in the attachment of the virus to CD4 receptors?

(a) GP120

(b) GP41

(c) GP121

(d) GP182

This question was posed to me in quiz.

My question is based upon Human Disease in division Human Health and Disease of Biology – Class 12

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Correct option is (a) GP120

The explanation: The outermost envelope consists of a phospholipid bilayer studded with glycoproteins (GP120 and GP41). The major cell infected by HIV is the Helper T-lymphocytes that bears the CD4 receptors site. The attachment pf virus to CD4 receptor site is by the help of GP120 on the protein coat of the virus.

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