3.1.2

Question 1

Infection

Answer 1

When a disease causing organism invades and begins growing in another organism.

Question 2

Disease

Answer 2

If the invasion and growth of the pathogen impair bodily functions.

Question 3

Pathogens

Answer 3

Organisms that are infectious and cause disease.

Question 4

Prion

Answer 4

Various abnormal proteins that are abnormal forms of cellular proteins. They cause normal proteins to convert to abnormal form.

Question 5

Virus

Answer 5

Non-living, sub microscope infective agents which reproduce using their host cells. The have a DNA or RNA core and have a protein coat surrounding it.

Question 6

Bacteria

Answer 6

A single celled, prokaryotic organism.

Question 7

Protists

Answer 7

Any eukaryotic organism that is not an animal, land plant or fungus.

Question 8

Fungi

Answer 8

Saprophytic and parasitic spore-producing eukaryotic organisms that lack chlorophyll, such as molds, rusts, mildews, smuts, mushrooms, and yeasts.