Question

Identify the structures a virus can contain. Check all that apply.

nucleic acid

ribosomes

cell membrane

capsid

envelope

Answer 1

Answer: Nucleic acids, capsid and envelop

A virus is a small infectious agent, that requires a living cell to replicate itself. It can infect life forms like animals, plants and microorganisms like bacteria and archaea. It consists of nucleic acid typically in the form of RNA, which is covered with protective coat of proteins also called as capsid. It derives an envelop of lipid from the cell membrane of the host cell.  

Answer 2

A virus contains the following structures;

1. nucleic acid
2. capsid
3. envelope

WHAT IS A VIRUS:

A virus is a microscopic organism that is incapable of reproducing or replicating itself without a living host.

A virus infects the living host and uses its own cellular activities to replicate itself. The virus typically consist of the following structures:

1. A nucleic acid, which stores its genetic information. It can be either RNA or DNA.
2. A capsid, which is a protein structure that helps prevent damage to its genetic material.
3. A envelope, which arises from the lipids that surrounds its membrane.

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