Question 1

What is a reason a cell might undergo cell division?

Accepted Answer

to fill in a cut with new skin cells

Answer

to create a haploid cell

Answer

There is no reason a cell needs to divide.

Answer

to make a cell that has half the amount of genetic material

Question 2

What happens before mitosis begins?

Accepted Answer

The cell copies its genetic material.

Answer

The cell's nuclear membrane dissolves.

Answer

The cell shrinks in size.

Answer

The cell splits in half.

Question 3

What are chromosomes made of?

Accepted Answer

mainly DNA

Answer

only histones

Answer

carbohydrates

Answer

protein

Question 4

How many pairs of chromosomes do humans have?

Accepted Answer

23

Answer

50

Answer

15

Answer

10

Question 5

What happens during metaphase?

Accepted Answer

the chromosomes line up along the center of the cell

Answer

the sister chromatids are at opposite ends of the cell

Answer

the sister chromatids are pulled apart

Answer

the chromosomes are in the nucleus

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