Mitosis: Prophase

Question 1

What is the simple definition of Mitosis?

Answer 1

the cells genetic material separates and the cell prepares to split into two cells.

Question 2

What is the longest stage of mitosis?

Answer 2

Prophase (the first stage)

Question 3

1.) The cell’s chromatin coils (condenses) into ____, which have an X shape. (prophase)

Answer 3

Chromosome

Question 4

2.) Each half of this X shaped structure is called a ____, which contain identical copies of DNA. (prophase)

Answer 4

Sister Chromatids

Question 5

3.) The structure at the center of the chromosomes where the sister chromatids are attached is called that ____. (prophase)

Answer 5

Centromere

Question 6

4.) The _____ disappears. (prophase)

Answer 6

Nucleolus

Question 7

5.) structures called ____ form in the cytoplasm. (prophase)

Answer 7

Spindle fibers

Question 8

6.) ____ migrate to opposite ends (poles) of the cell. (prophase)

Answer 8

Centrioles

Question 9

7.) The ________ disappears. (prophase)

Answer 9

nuclear envelope

Question 10

Towards the end of the prophase what happens?

Answer 10

the spindle fibers attach to the chromosomes.