This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
HIV gene is/are - 
Select and explain. 
A. Gp73, B. P24, C. GP120, D. Gp5
C: GP120
Answer: C: GP120 
Explanation: envolope glycoprotiene spike of HIV is gp120 REF:ANANTHANARAYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.571