This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
HIV gene is/are 
Select and explain. 
A. Gp73, B. P24, C. GP120, D. None
D: None
Answer: D: None 
Explanation: Ans. is 'None' HIV genome . P24 and Gp120 are gene products i.e., antigens (not the genes). . The genome of HIV contains three structural genes as well as other non-structural and regulatory genes. . P24 antigens is found in cone shaped core of nucleocapsid . P18 antigen is found in outer icosahedral shell of nucleocapsid . gp-120 and gp-4 1 are envelope glycoproteins.