Unit 3: Bacteria and Viruses

Front

What are the two main components of a virus?

Back

Nucleic acid and protein.

Front

How are bacteria beneficial to the environment?

Back

They act as decomposers, breaking down dead organic matter.

Front

What is an example of a viral infection?

Back

Influenza.

Front

What is a risk of overusing antibiotics?

Back

Bacteria may become resistant to antibiotics.

Front

What does it mean for bacteria to be prokaryotes?

Back

They do not contain a nucleus.

Front

What is the role of nucleic acid in a virus?

Back

It carries the genetic information of the virus.

Front

What are some common shapes of bacteria?

Back

Cocci (spherical), bacilli (rod-shaped), and spirilla (spiral-shaped).

Front

How do viruses reproduce?

Back

By infecting a host cell and using the host's machinery to replicate.

Front

What is the difference between bacteria and viruses?

Back

Bacteria are living organisms that can reproduce on their own, while viruses are not considered living and require a host to replicate.

Front

What is an antibiotic?

Back

A medication used to treat bacterial infections.