The influenza virus is typical of many animal viruses in that is has an envelope composed of lipids and glycoproteins. Which of the following statements about the envelope is ACCURATE?
A. The envelope is formed via the action of integrase.
B. The envelope glycoproteins are encoded by genes found in the host genome.
C. The envelope is inside the capsid.
D. The envelope is obtained from the host cell upon entry into the cell.
E. The envelope is obtained from the host cell when the virus buds from the plasma membrane.
Answer: E
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Fill in the blank(s) with correct word