Question

(i) Name the type of cell division that occurs in human cheek cells. [1] (ii) Name a cell other than cheek cell where it occurs and give its signifi cance.

Answer 1

I] Mitosis is the cell division. In this type of cell division the mother cell divides into two daughter cells with equal chromosomes.

Answer 2

Answer:

(1) The tissue that lines the inside of the mouth is known as the basal mucosa and is composed of squamous epithelial cells. These structures, commonly thought of as cheek cells, divide approximately every 24 hours and are constantly shed from the body.

1. (2) There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cell