Role of infection

Question 1

Binary fission

Answer 1

Reproduction of bacteria

Question 2

Bacilli

Answer 2

Rod shaped bacteria

Question 3

Cocci

Answer 3

Bacteria spheres found in chains or clusters

Question 4

Spirochaetes

Answer 4

Spiral bacteria

Question 5

Gram positive bacteria

Answer 5

Appear blue/purple

Question 6

Gram negative bacteria

Answer 6

Extra layer of cell wall
Appear pink

Question 7

Pathogenicity

Answer 7

Ability to cause disease

Question 8

Virulence

Answer 8

Severity of disease

Question 9

Toxigenicity

Answer 9

Ability to produce toxins

Question 10

Endotoxin

Answer 10

Gram negative
Formed from outer layer of cell wall breaking off when the bacteria dies
Only toxic in large volumes
Resistant to heat/autoclaving

Question 11

Exotoxin

Answer 11

Gram positive
Produced inside the bacteria and secreted out
Small volumes needed for toxicity
Easily destroyed

Question 12

Moulds

Answer 12

Produce spores
Released into the environment and germinate

Question 13

Yeasts

Answer 13

Asexual reproduction

Question 14

Symbiosis

Answer 14

Living together

Question 15

Parasitism

Answer 15

Microorganism gains from the relationship but the host is negatively affected

Question 16

Commensalism

Answer 16

Microorganism gains from the relationship but the host is not affected

Question 17

Mututalism

Answer 17

Microorganism and host both gain from the relationship