The structure which is located between the nucleocapsid and the envelope is the:
Correct answer: B. Matrix protein
- A. Capsid
- B. Matrix protein
- C. Envelope
- D. Nuclear capsid
Explanation
Some viruses have a protein lattice underneath their envelope called matrix. It is located between the nucleocapsid and the envelope so this is the correct option.
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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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