B1

Question 1

How much can a light microscope magnify up to

Answer 1

2000x

Question 2

How much can an electron microscope magnify up to

Answer 2

2,000,000 x

Question 3

Give an advantage of a light microscope

Answer 3

Relatively cheap and easy to carry around

Question 4

Give a disadvantage of an electron microscope

Answer 4

Expensive and can’t be used for living things

Question 5

What are the 2 different types of electron microscope

Answer 5

Transmission ( 2D )
Scanning ( 3D )

Question 6

What is the equation for magnification

Answer 6

Image size
—————
Object size

Question 7

What is resolving power

Answer 7

The ability to see 2 points as two points rather than 1 merged

Question 8

How big are animal cells

Answer 8

10um - 30um

Question 9

What are the structures of an animal cell

Answer 9

Nucleus
Cytoplasm
Cell membrane
Mitochondria
Ribosomes

Question 10

What structures do plant cells have that animal cells do not

Answer 10

Cell wall and celulose
Chloroplast
Vacuole

Question 11

What is cytoplasm

Answer 11

A gel in which the organelles are suspended and where chemical reactions take place

Question 12

What is the cell membrane

Answer 12

Controls the movement of substances such as glucose in and out of the cell

Question 13

What is mitochondria

Answer 13

Where energy is transferred for aerobic respiration

Question 14

What are ribosomes

Answer 14

Where protein synthesis takes place

Question 15

What are chloroplasts

Answer 15

Contain chlorophyll for photosynthesis

Question 16

What is a eukaryotic cell

Answer 16

A cell that contains a cell membrane cytoplasm and a nucleus.

Question 17

What is a prokaryotic cell

Answer 17

Consists of cytoplasm and a cell wall.

Question 18

Give an example of a prokaryotic cell

Answer 18

Bacteria cell

Question 19

What else do some guys prokaryotic cells have

Answer 19

Plasmids and flagella

Question 20

What are the 3 specialised cells in animals

Answer 20

Nerve cells
Muscle cells
Speem cells