L8 - Mitosis

Question 1

What are the 5 stages of mitosis?

Answer 1

interphase

prophase

metaphase

anaphase

telophase

Question 2

What happens in the prophase?

4

Answer 2

Chromosomes become visible (chromatin condenses)

Nuclear membrane breaks down

Nucleolus disappears

Centrioles migrate to poles

Question 3

What happens in the metaphase?

2

Answer 3

Chromosomes line up centrometers on the equator of the cell (1 straight line)

Centrioles form spindle fibres which attach to centrometers

Question 4

What happens in the anaphase?

2

Answer 4

Spindles shorten + break apart sister chromatids

Daughter chromosomes migrate to poles

Question 5

What happens in the telophase?

3

Answer 5

Nuclear membranes + nucleoli reform

Chromosomes disperse (back into chromatin)

Cytokinesis begins

Question 6

What is mitosis needed for?

Answer 6

growth of multicellular organisms

repairing damaged tissues

Question 7

What is mitosis?

Answer 7

it happens during the cell cycle

a parent cell divides to produce 2 genetically identical daughter cells