Multiple Choice
What do viruses do once they invade a living cell of a host?
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17. Viruses
Viruses
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The lipids that make up the HIV envelope are derived from which of the following?
A
Host cell membrane
B
Bacterial cell wall
C
Viral genome
D
Viral capsid
Verified step by step guidance1
Understand that the HIV envelope is a lipid bilayer that surrounds the virus, providing it with a protective layer.
Recognize that viruses, including HIV, do not have the machinery to synthesize their own lipids. Instead, they acquire lipids from their host cells.
Recall that the host cell membrane is composed of a lipid bilayer, which is similar in structure to the viral envelope.
When HIV buds off from the host cell, it takes a portion of the host cell's membrane with it, forming its own envelope.
Conclude that the lipids in the HIV envelope are derived from the host cell membrane, not from bacterial cell walls, the viral genome, or the viral capsid.
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