B1 - Cell Structure

Question 1

Eukaryotic cell

Answer 1

A cell that contains a nucleus

Question 2

Example of a eukaryotic cell?

Answer 2

• Plant cell
• Animal cell

Question 3

Prokaryotic cell

Answer 3

A cell without a nucleus

Question 4

Example of a prokaryotic cell?

Answer 4

• Bacterial cells
• Red blood cells

Question 5

What does a plant cell have that an animal cell doesn’t?

Answer 5

Cell wall, chloroplasts, permanent vacuole

Question 6

How does an animal cell differentiate from a plant cell?

Answer 6

It doesn’t contain:
* a cell wall
* a permanent vacuole
* chloroplasts

Question 7

Cell membrane

Answer 7

Decides what goes in and out of the cell

Question 8

Cytoplasm

Answer 8

Liquid gel where most chemical reactions of the cell takes place

Question 9

Nucleus

Answer 9

Controls the activities of the cell and contains genetic material

Question 10

Mitochondria

Answer 10

Where respiration takes place. Needed for energy in the cell

Question 11

Ribosome

Answer 11

Where protiensynthesis occurs

Question 12

Cell wall

Answer 12

Strengthens and provides support to the cell. Made of cellulose

Question 13

Chloroplasts

Answer 13

Absorbs light to make glucose by photosynthesis

Question 14

(Permanent) Vacuole

Permanent in Permanent vacuole is specfically used with plant cells

Answer 14

• Filled with cell sap
• Helps to keep the cell rigid

Question 15

What does a bacterial cell have that most cells do not?

Answer 15

• Flagellum
• Molecule of circular DNA
• Plasmids

Question 16

Sperm cell function

Answer 16

To carry genetic infromation from the male through the female reporductive tract to fertilise the egg cell

Question 17

Sperm cell adaptations

Answer 17

• Streamlined head for faster movement
  * Acrosome contains enzymes to break down the outer lining of the egg cell
• Flagellum

Question 18

Why does a sperm cell have lots of mitochondria?

Answer 18

To release large ammounts of energy to fuel the flagellum

Question 19

Neurone function

Answer 19

To carry electircal impules through the body to the brain

Question 20

Neurone adaptation

Answer 20

• Axon
• Dendrites
• Myelin sheath

Question 21

Muscle cell function

Answer 21

To enable movement of the body through its connection to the skeletal system

Question 22

Muscle cell adaptatons

Answer 22

Filament bundles to contract

Question 23

What does DNA stand for?

Answer 23

Deoxyribonuclaic acid