3-3 Pre-Lesson 1 Viruses

Front

What is the purpose of the surface markers on a virus?

Back

To attach to host cells.

Front

What is the 1st step of virus infection?

Back

Attachment.

Front

Can prions reproduce by themselves?

Back

False.

Front

What is the Lytic Cycle?

Back

A viral replication process that results in the destruction of the host cell.

Front

What happens when viral DNA/RNA is copied inside the host cell?

Back

New viruses are produced.

Front

What is a virus?

Back

A microscopic infectious agent that can only replicate inside a living host cell.

Front

What is the difference between a lytic cycle and a lysogenic cycle?

Back

Lytic cycle leads to the destruction of the host cell, while lysogenic cycle integrates viral DNA into the host's genome.

Front

What are surface proteins on viruses?

Back

Proteins that help viruses attach to and enter host cells.

Front

What is a host cell?

Back

A living cell in which a virus can replicate.

Front

What is viral replication?

Back

The process by which a virus makes copies of itself inside a host cell.