Human Health and Diseases Question 111

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

(a) single stranded DNA

(b) double stranded DNA

(c) single stranded RNA

(d) double stranded RNA

Show Answer

Answer : c

Hints & Solutions

(c) HIV is a spherical, enveloped virus of about 90-120 nm diameter. Its nucleocapsid is icosahedral and its genome consists of a single-stranded RNA filament segmented into two identical filaments and associated with a “reverse transcriptase enzyme”.



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