Question

Complete the sentence. A biological agent that cannot reproduce on its own is a/an ________.

A.) virus
B.) fungus
C.) infection
D.) bacteria

Answer 1

The best and most correct answer among the choices provided by your question is the first choice or letter A. A biological agent that cannot reproduce on its own is a VIRUS.

A virus is a small infectious agent that replicates only inside the living cells of other organisms.

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Answer 2

Answer:

Virus.

Explanation:

A biological agent that cannot reproduce on its own is a VIRUS. A virus is a minute infectious agent that replicates just inside the living cells of different organisms, It typically consists of a nucleic acid molecule in a protein coat, it is extremely small to be viewed by light microscopy, and is able to multiply only among the living cells of a host.