Unit 11 Cell Cycle

Question 1

What are the 4 phases of cell cycle?

Answer 1

G1 (Gap 1 –> cell is growing)
S (Synthesis of DNA –> DNA replicates)
G2 (Gap 2 –> cell grows some more, prepare for dividing)
M (mitosis & cytokinesis)

Question 2

During ____, ______, ____, are all part of ____________ so the cell is not ___________ during that time

Answer 2

G1, S, G2
interphase
dividing

Question 3

In M phase, the cell is _____

Answer 3

divide

Question 4

To continue through the ________, the cell needs to pass these checkpoints. If the cell doesn’t meet the requirements, they can be fixed or must undergo ____________.

Answer 4

cycle, apoptosis

Question 5

What is apoptosis?

Answer 5

The cell DESTROYS ITSELF

Question 6

What are different proteins that highly regulated cell cycle (3)

Answer 6

Cdk, cycling, and p53

Question 7

Why there is a cancer, what are they?

Answer 7

Cancer cells are live in body that do not respond correctly to checkpoints and can divide out of control

Question 8

What is other problem of cancer cell that lives in our body?

Answer 8

• They can make too much growth factor
• not anchoring properly
• not working properly