Which of the following statements about viruses is true?
A.
Viruses can reproduce outside of a host cell
B.
Viruses require a host cell to replicate
C.
Viruses possess a cellular structure
D.
Viruses are living organisms
Correct answer is B
Viruses are considered parasitic because they require a host cell to replicate. They do this by injecting their genetic material into the host cell and using the cell's machinery to replicate.
