Cell Cycle

Question 1

Four stages of the cell cycle include?

Answer 1

G1- first checkpoint, cell spends most of its time growing and gaining nutrients.

S- synthesis, this is where DNA begins to copy

G2- prepares to divide

M- mitosis

Question 2

What happens in G1

Answer 2

At the end of G1 the cell checks if it has enough nutrients to onto the next stage

If not the cell preforms apoptosis

Question 3

Apoptosisis…

Answer 3

Program death, which removes unnecessary cells during development and removes whhealthy of damaged cells

Question 4

Mitosis

Answer 4

Cell division that results in daughters cells, each each having the same number and kind of chromosomes as the parent nucleus

Question 5

Prophase

Answer 5

First stage of mitosis

• Nucleus disappears
• chromatin condenses into chromosomes
• Separation of centrosomes
• formation biotic spindle fibers