mitosis eoy

Question 1

what is mitosis?

Answer 1

the production of 2 genetically identical diploid daughter cells.

each with identical sets of chromosomes in the nucleus to the parent cell.

Question 2

importance of mitosis

Answer 2

• growth • repair • asexual reproduction

growth - used to make new cells

repair - used to repair damaged cells

asexual reproduction - one organism can reproduce on its own to make a clone

Question 3

mitosis cell cycle

interphase

Answer 3

new sub-cellular structures are made
- mitochondria & ribosomes
DNA replicates

Question 4

stage 1 prophase

Answer 4

chromosomes shorten and thicken, the nucleus breaks down &

spindle fibres begin to form

Question 5

stage 2 metaphase

Answer 5

spindles attach to chromosomes,

chromosomes line up along equator

Question 6

stage 3 anaphase

Answer 6

spindles shorten, pull chromosomes apart to each side of the poles

Question 7

stage 4 telophase

Answer 7

a membrane forms around each set of chomrosomes to form two new nuclei

Question 8

stage 5 cytokinesis

Answer 8

cytoplasm splits and there is now two cells