Question

1. a virus can reproduce only inside a cell. once inside, the virus causes the cell to make many new copies of the virus. in an animal, which part of the cell is responsible for keeping viruses out? cell membrane nucleus vacuole cell wall clear all

Explanation:

The cell membrane acts as a selective barrier. It controls the movement of substances in and out of the cell, including viruses. The nucleus contains genetic material, the vacuole is involved in storage and waste - disposal, and animal cells do not have a cell wall.

Answer:

Cell membrane