Cell division

Question 1

What are two main reason cells divide instead of growing larger?

Answer 1

1) If the cell grows too large, it will have trouble moving enough nutrients and wastes across the cell membrane.

2) The larger a cell becomes, the more demands the cell places on its DNA

Question 2

What is cell division?

Answer 2

Cell division is the process by which cellular material is divided between two new daughter cells.

Question 3

What is the formula for cell division?

Answer 3

1 mother - 2 daughter

The two daughter cells will be identical to each other and to the mother cell.

Question 4

Each daughter cell is _________ of the parent cell, but immediately begins growing.

Answer 4

Each daughter cell is HALF THE CELL of the parent cell, but immediately begins growing.

Question 5

A typical human cell has about _______ of DNA

Answer 5

2 meters

Question 6

Before the cell can divide, all of this DNA must be _________

Answer 6

Before the cell can divide, all of this DNA must be

COPIED AND THEN and then the two copies separated

so that each daughter cell ends up with a complete set of DNA.

Question 7

Each species has a characteristic number of chromosomes in each cell ________

Answer 7

nucleus

Question 8

how many chromosomes does humans have?

Answer 8

23 pairs or 46 in total.

Question 9

what must each cell do first before cell division o

Answer 9

a cell must copy it’s chromosomes before cell division occurs