What component of a virus is injected into the infected cell?

A.) the tail section

B.) the nucleic acid

C.) the protein capsid

D.) the mitochondria

The component of a virus that is injected into the infected cell is B. The nucleic acid.

I think the correct answer from the choices listed above is option B. The component of a virus that is injected into the infected cell is its nucleic acid. It contains the DNA of the virus cell which goes into the infected cell. Hope this answers the question.