Bacteria, Viruses, and Protists

Virus Basics

How do viruses enter their host cells to reproduce?

A virus is able to enter a host cell by either tricking the host cell to pull it inside, as the cell would do to a nutrient particle, or by fusing its viral coat with either the host cell’s wall or membrane and then releasing its genes into the host. Some viruses inject their genetic material into the host cell, leaving their empty viral coats outside of the host cell.


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