Bacteria & Viruses

Front

What is a virus?

Back

A virus is a non-living infectious agent that requires a host cell to replicate and cannot be classified as a cell.

Front

What is the process called when a virus changes over time?

Back

Mutation.

Front

What are the three main shapes of bacteria?

Back

Rod, sphere, spiral.

Front

Are viruses considered living or non-living?

Back

Non-living.

Front

What happens to a host cell when a virus infects it?

Back

The virus destroys and damages the host cell.

Front

What is the outer protein coat of a virus called?

Back

Capsid.

Front

How do bacteria reproduce?

Back

Bacteria reproduce asexually through a process called binary fission.

Front

What is the main difference between bacteria and viruses?

Back

Bacteria are unicellular organisms that can live independently, while viruses are non-living and require a host to replicate.

Front

What is an example of a viral disease?

Back

Influenza (the flu).

Front

What is antibiotic resistance?

Back

Antibiotic resistance occurs when bacteria evolve and become resistant to the effects of medications that once killed them.