Cells & Magnification

Question 1

How to calculate actual size of an image if you have the magnification and image size ?

Answer 1

Image size / magnification

Question 2

Function of vacuole ?

Answer 2

Store sugars

Holds cell shape

Question 3

Function of cytoplasm ?

Answer 3

Site of chemical reactions in cell

Question 4

How many nanometers (nm) in 1mm ?

Answer 4

1 0 0 0 0 0 0

Question 5

Components of animal cell ?

Answer 5

Nucleus, cell wall, cytoplasm, mitochondria, ribosomes

Question 6

Function of chloroplasts ?

Answer 6

Site of photosynthesis

Question 7

Function of mitochondria

Answer 7

Site of aerobic respiration

Question 8

Function of cell membrane ?

Answer 8

Controls what goes in and out of cells

Question 9

How many mm are in 1 micrometer (um)?

Answer 9

0.001

Question 10

What components do plant cells have that animals don’t ?

Answer 10

Cell wall, chloroplast and vacuole

Question 11

Function of nucleus ?

Answer 11

Controls cell and stores DNa

Question 12

How is a red blood cell specialised for its function ?

Answer 12

Contains haemoglobin that transports oxygen
No nucleus so it can store more haemoglobin
Biconcave shape for a larger surface area so oxygen can get in an out of the cell quickly

Question 13

Function of ribosomes ?

Answer 13

Protein store

Question 14

Function for cell wall ?

Answer 14

Holds cell shape