Posted: July 24th, 2017

Hepatitis A virus (HAV) is resistant to solvents such as chloroform and 20% diethyl ether, while HIV-1 is sensitive to such solvents. This resistance is best explained by absence of which of the following in HAV?

Hepatitis A virus (HAV) is resistant to solvents
such as chloroform and 20% diethyl ether, while
HIV-1 is sensitive to such solvents. This
resistance is best explained by absence of which
of the following in HAV?
(A) Icosahedral symmetry
(B) Reverse transcriptase
(C) Single-stranded RNA
(D) Spherical structure
(E) Viral envelope