Microbiology

Question 1

Microbiology

Answer 1

The study of small living things(fungus, viruses, bacteria)

Question 2

Bacteria

Answer 2

Larger than viruses
Simple, single-celled: ni nucleus
Divided into aerobes (need oxygen) and anaerobes (don’t need oxygen)
Reproduce asexually (clone) (double numbers every 20 minutes)

Question 3

In order to grow bacteria need

Answer 3

Food
Water
Suitable temperature
Suitable pH

Question 4

Soil bacteria

Answer 4

Break down (decompose) dead plant and animal material to release nutrients into the soil

Question 5

Uses of bacteria

Answer 5

Decay wastes, make cheese, yoghurt, insulin and silage

Question 6

Harmful bacteria

Answer 6

Cause disease, food spoilage and tooth decay

Question 7

Fungi

Answer 7

Fungal cell similar to plant cell but does not possess chlorophyll (is not green & cannot make food)

Question 8

Harmful fungi

Answer 8

Cause animal and plant disease, food spoilage and are poisonous

Question 9

Biotechnology

Answer 9

The use of living things (micro organisms) to make useful substances

Question 10

Biotechnology

Answer 10

The use of living things (micro-organisms) to make useful substances

Question 11

MEDICAL biotechnology

Answer 11

Bacteria and fungi used to make antibiotics
Altered organisms are used to make insulin, blood clotting chemicals for haemophiliacs and antibodies
Allows large quantities of cheap product with no dangerous side effects