HIV glycoprotein is composed of _ subunits.
Correct answer: B. 12
- A. 11
- B. 12
- C. 13
- D. 14
Explanation
Option B is correct because it is fact that HIV glycoprotein is composed of 12 subunits. The envelope glycoprotein of human immunodeficiency virus type 1 (HIV-1) consists of a complex of gp120 and gp41. gp120 determines viral tropism by binding to target-cell receptors, while gp41 mediates fusion between viral and cellular membranes.
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