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Flashcards in Biotechnology Deck (28)
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1

Name the 3 types of microbe.

Viruses Bacteria Fungi

2

What is a microbe?

A tiny living organism

3

Where can microbes be found?

Air Soil Water In and on humans

4

How do bacteria reproduce?

By binary fission

5

How do funghi reproduce (replicate)?

By budding

6

How do viruses reproduce (replicate)?

By invading cells and tricking them into replicating new copies of virus

7

How do bacteria reproduce (replicate)?

By binary fission.

 

Each bacteria is capable of splitting into 2

8

What are the 3 basic shapes of bacteria?

9

What does reprodcue or replicate mean?

To make new versions of something

10

Which is bigger and by what factor..

 

Bacteria or Viruses

Bacteria are about 100 times bigger than viruses

11

True or false

 

Viruses do not contain cells

True

 

and for this reason some people dont consider them to be living

12

True or False

 

Most bacteria found in the human body are either harmless or are in fact helpful

True

 

Only around 15% of bacteria are harmful but some can cause serious problems

13

What is a pathogen?

A microbe that causes disease

14

Common diseases caused by viruses

15

Common diseases caused by bacteria

16

Common diseases caused by funghi

17

True or False?

 

Viruses can survive without a living host organism

False

18

What are bodies first line of defence against microbes

19

How do vaccines work?

20

How can viruses be used in medicine

21

Give some common vaccines

22

What 3 conditions are necessary for bacterial growth?

  1.   Warmth
  2.   Moisture
  3.   Food source

23

List some methods of preserving foods

24

What are some ways of preventing the spreading of microbes?

25

List some ways microbes are spread

26

How does antibiotic resistance occur?

27

What gas is produced when yeast acts on sugar (fermentation)?

CO2

 

 

28

Why does dough rise when put in the oven?

The CO2  expands when heated and the volume of the dough increases.