Chapter 2.2 - Growth and differentiation

Question 1

As cells divide, grow and develop they _______________

Answer 1

differentiate

Question 2

In animals/humans most types of cells become specialised very EARLY/LATE in life

Answer 2

early. By the time the baby is born most cells are specialised to carry out a particular job.

Question 3

`different types of specialised cells have different _____________ to carry out specific functions

Answer 3

sub-cellular structures

Question 4

Which cells differentiate all through their life

Answer 4

plants

Question 5

Where are undifferentiated cells formed in a plant.

Answer 5

active regions of the stem and roots (meristems). In these places mitosis takes place constantly.

Question 6

Plant cells produced do not differentiate until they are in their ______________________.
Even then the differentiation isn’t _____________. You can move a plant cell from one part of the plant to another. There it can redifferentiate and become a completely different cell type

Answer 6

• final position in the plant.

- permanent

Question 7

How many chromosomes do you have in your body?

Answer 7

23 pairs