Question

Human immuno deficiency virus (HIV) has a protein coat and a genetic material which is

• A. double stranded RNA
• B. double stranded DNA
• C. single stranded DNA
• D. single stranded RNA.

Answer 1

Answer: (D)

single stranded RNA.

Answer 2

HIV is a retrovirus, which contains single-stranded RNA, surrounded by a protein coat (core-shell) as genetic material. It causes AIDS. The structure of HIV varies from other retroviruses. It is around 120 nm in diameter (120 billionths of a meter; around 60 times smaller than a red bloodcell) and roughly spherical.