Topic 2 - Cells And Control

Question 1

What do chromosomes contain ?

Answer 1

Genetic information

Question 2

What happens during mitosis

Answer 2

Makes two identical cells to the original one with the same dna

Question 3

What is cell differentiation ?

Answer 3

The process of a cell specialising for its jobs

Question 4

What controls the rate of cell division ?

Answer 4

By genes in someone’s dna

Question 5

What do meristems contain ?

Answer 5

Plant stem cells

Question 6

Where in plants are the cells found that divide by mitosis

Answer 6

Meristems

Question 7

What is the nervous system

Answer 7

A system made up of nerve cells which go to everywhere in the body

Question 8

What is the pathway of response to something ?

Answer 8

Stimulus ~ receptor ~ sensory neurone ~ cns ~ motor neurone ~ effector ~ response

Question 9

How do neurons transmit information

Answer 9

Rapidly as electrical impulses

Question 10

What is the connection between two neuron’s called ?

Answer 10

Synapses

Question 11

What happens at interphase ?

Answer 11

Replicating the dna

Question 12

2. Prophase

Answer 12

Nucleus breaks down

Question 13

3. Metaphase

Answer 13

Chromosomes line up in the middle of the cell

Question 14

4, Anaphase :

Answer 14

Split in the middle and go to each side of the poles

Question 15

5. Telophase

Answer 15

Cell membrane is formed

Question 16

6. Cytokeneisis

Answer 16

When the two daughter cells are formed