2.1-2.3 Mitosis and Its importance

Question 1

Chromosomes contain coils of what?

Answer 1

DNA

Question 2

What is a gene?

Answer 2

A short section of DNA that codes for protein and as a result controls a characteristic

Question 3

What is a gamete?

Answer 3

A sex cell

Question 4

What is a diploid number of chromosomes?

Answer 4

46(Humans)

Question 5

What is a haploid number of chromosomes?

Answer 5

23

Question 6

What is stage one of Mitosis?

Answer 6

Interphase

Question 7

What is stage two of mitosis?

Answer 7

Prophase

Question 8

What is stage three of mitosis?

Answer 8

Metaphase

Question 9

What is stage four of mitosis?

Answer 9

Anaphase

Question 10

What is stage 5 of mitosis

Answer 10

Telophase

Question 11

What comes after the five stages of Mitosis?

Answer 11

Cytokenisis

Question 12

What stage does the cell spend most of its life in?

Answer 12

Interphase

Question 13

In which stage does the DNA in chromosomes copy itself ready for mitosis?

Answer 13

Interphase

Question 14

Give the two things that happen in prophase

Answer 14

.The DNA in chromosomes and their copies condenses to become more visible
.The membrane around the nucleus disappears

Question 15

What happens in Metaphase?

Answer 15

Chromosomes and their copies line up in the middle of the cell

Question 16

In what stage are chromosomes and their copies pulled to different ends of the cell?

Answer 16

Anaphase

Question 17

What happens in Telophase?

Answer 17

New membranes form around the chromosomes at each end of the cell

Question 18

What happens in Cytokinesis?

Answer 18

.The cell membrane pinches in and divides into TWO daughter cells