Cell Specialisation

Question 1

What is differentiation?

Answer 1

Differentiation is the process by which a cell changes to become specialised so they are able to carry out their specific roles within an organism.

Question 2

Name a specialised feature of a nerve cell and explain how it contributes to the rapid signalling of electrical impulses.

Answer 2

Any one from:

It has a long axon to carry the impulse over long distances.

It has branched ends to allow nerve cells to connect and pass on signals.

The axon is insulated in a fatty sheath which speeds up impulses

Question 3

Why do root hair cells contain lots of mitochondria?

Answer 3

hey have lots of mitochondria to produce lots of energy for the active transport of mineral ions from the soil.