Cell Division

Question 1

Cell Continuity

Answer 1

The way in which cells give rise to new cells as a result of division.

Question 2

Haploid

Answer 2

1 set of chromosomes.

Question 3

Diploid

Answer 3

2 sets of chromosomes.

Question 4

Cell cycle

Answer 4

Events in the life of a cell.

Question 5

Interphase

Answer 5

When the cell is not dividing.

Question 6

Cell activities in interphase

Answer 6

Protein synthesis/ DNA replication/ respiration/ photosynthesis.

Question 7

Mitosis

Answer 7

Nuclear division in which a nucleus forms 2 nuclei containing identical sets of chromosomes.

Question 8

Prophase

Answer 8

Nuclear membrane breaks down/chromatic condenses/chromosomes become double stranded/ spindle forms.

Question 9

Metaphase

Answer 9

Chromosomes along the equator/ Spindle attaches to chromosomes.

Question 10

Anaphase

Answer 10

Chromosomes pulled apart/ spindle fibre contracts

Question 11

Telophase in animals

Answer 11

Cleavage furrow

Question 12

Telophase in plants

Answer 12

Cell plate

Question 13

Function of mitosis in single celled organism

Answer 13

Reproduction

Question 14

Function of mitosis in multi celled organism

Answer 14

Growth/Repair.

Question 15

Cancer

Answer 15

A group of disorders in which cells lose control of the rate of mitosis and the number of times mitosis takes place.

Question 16

Causes of cancer

Answer 16

Cigarette smoke, radiation, UV light, pesticides.

Question 17

Meiosis

Answer 17

Nuclear division in which the daughter nuclei contain half the number of chromosomes of the parent nucleus.