Bacteria and Viruses

Front

What are viruses primarily composed of?

Back

Nucleic acids.

Front

What does it mean for bacteria to be prokaryotes?

Back

They lack a nucleus.

Front

Can bacteria be harmful or helpful to humans?

Back

Yes, bacteria can be both harmful and helpful to humans.

Front

What process allows a virus's DNA to remain dormant in a host cell?

Back

Lysogenic.

Front

What is the first step of Retrovirus replication?

Back

Entry by fusion of envelope with cell membrane at sites of specific receptors.

Front

What is the structure that surrounds a virus called?

Back

Capsid.

Front

What is the main difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus, while eukaryotic cells have a nucleus.

Front

What is the role of viral RNA in retroviruses?

Back

It serves as a template for the synthesis of viral proteins and replication of the viral genome.

Front

What is a common method by which bacteria reproduce?

Back

Binary fission.

Front

What is the function of the viral envelope?

Back

It helps the virus enter host cells by fusing with the cell membrane.