Specialisation in Animal cells

Question 1

What are the features of a Nerve Cell?

Answer 1

Dendrite 
Axon
Synapse 
Myelin Sheath
Nucleus

Question 2

What is the purpose of the Myelin Sheath?

Answer 2

Insulation

Question 3

What is the purpose of the Axon?

Answer 3

The Axon carries nerve impulses from one place to another

Question 4

What is the purpose of the Dendrite?

Answer 4

The Dendrite makes connections to other nerve cells.

Question 5

What is the purpose of the Synapse?

Answer 5

The Synapse passes impulses to other nerve cells

Question 6

Give a reason why having a lot of mitochondria in a muscle cell is beneficial.

Answer 6

Muscles use a lot of energy so having a lot of mitochondria prevents weakness and loss of stamina.

Question 7

Give 3 adaptations of a sperm cell.

Answer 7

Tail-for swimming to the egg
Streamline head shape- to reduce friction
Acrosome- breaks down outer layer of egg

Question 8

What is glycogen?

Answer 8

Glycogen is the storage form of glucose . It can be broken down and used in respiration by the mitochondria.