Topic 2 - Cell Division

Question 1

What is cell division necessary for?

Answer 1

• Growth and development

- Repairing cells

Question 2

What is the cycle called of cell division?

Answer 2

The Cell Cycle

Question 3

What stage is Mitosis in the cell cycle?

Answer 3

Stage 2

Question 4

What happens in Stage 1 of the cell cycle?

Answer 4

• Cells grow
• Increase in mass
• Carry out normal cell activities
  At the end :
• Cell replicates their DNA to make two copies of every chromosome

Question 5

What is mitosis?

Answer 5

Part of the cell cycle where on set of new chromosomes is pulled to each end of the cell, forming two identical nuclei during cell division

Question 6

How many stages are there in the cell cycle?

Answer 6

3 stages

Question 7

What happens in stage 2 of the cell cycle?

Answer 7

Mitosis - one set of chromosomes is pulled to each end of the dividing cell and the nucleus divides

Question 8

What happens in stage 3 of the cell cycle?

Answer 8

The cytoplasm and cell membrane divide to form two new identical daughter cells

Question 9

What do chromosomes contain?

Answer 9

Genes

Question 10

How many PAIRS of chromosomes does a human body cell contain?

Answer 10

23 pairs