Discussion
Which of the following is true about the viral envelope?
Answer: D
Correct answer: All the above
All three are true of the viral envelope: it is derived from a host cell membrane as the virus buds out; it is therefore lipoprotein in nature; and it carries projecting spikes (peplomers) of virus-coded glycoprotein, which are what bind the receptor on the next cell. Being lipid, it is destroyed by soap and by ether - which is why enveloped viruses are the easier ones to disinfect.
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