7th Science Bateria & Viruses Key Terms

Question 1

A microscopic prokaryote.

Answer 1

Bacterium

Question 2

A mixture containing material from one or more deactivated pathogen.

Answer 2

Vaccine

Question 3

A strand of DNA or RNA surrounded by a layer of protein that can infect the a host cell.

Answer 3

Virus

Question 4

Cell division that forms two genetically identical cells

Answer 4

Fission

Question 5

A long whip like structure on most bacterium

Answer 5

Flagella

Question 6

A medicine that stops the growth and reproduction of viruses.

Answer 6

Antibiotic

Question 7

The use of an organisms, such as bacteria, used to clean up environmental pollution.

Answer 7

Borediem

Question 8

The breaking down of organisms.

Answer 8

Decomposition

Question 9

The process that changes atmospheric nitrogen in to nitrogen that is useable by living organisms.

Answer 9

Nitrogen Fixation

Question 10

A process of heating food or a liquid to a temperature that kills harmful bacteria.

Answer 10

Pasteurization

Question 11

An agent that causes a desiease.

Answer 11

Pathdogen