DNA or RNA of viruses is enclosed in _______________ coat?
Correct answer: A. Protein
- A. Protein
- B. Carbohydrate
- C. Lipid
- D. DNA
Explanation
A virus's genetic material is enclosed in a protein coat called the capsid. The capsid protects the DNA or RNA and helps the virus attach to a host cell. Students may choose lipid because some viruses have a lipid envelope, but that envelope is outside the protein capsid.
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About Viruses
Viruses are acellular infectious particles made of genetic material enclosed by a protein capsid, sometimes with a lipid envelope. Their replication depends on a host cell and may follow lytic or lysogenic cycles, so viral structure and reproduction differ fundamentally from those of cellular organisms such as bacteria.
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