What is a capsid?
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A. A protective shell around a virus
B. A virus that causes a cold
C. A tube that extends from a bacteria
D. A piece of bacterial DNA



Answer :

Final answer:

A capsid is a protein shell that protects the genetic material of a virus and aids in infecting host cells.


Explanation:

A capsid is a protein shell that surrounds the genome of a virus. It is composed of smaller protein subunits called capsomeres. The function of the capsid is to protect the genetic material of the virus and facilitate its entry into host cells.


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