Cell Cycle Regulation Flashcards
1
Q
What is cell division controlled by
A
Cellular signals in the form of Proteins called growth factor
2
Q
Where are he 4 main checkpoints
A
1) G1
2) S
3)G2
4) metaphase
3
Q
What happens in G1 checkpoint
A
Cell fixes damaged DNA for S phase
4
Q
What happens in S checkpoint
A
Confirms proper replication of genetic materiel
5
Q
What happens at G2 checkpoint
A
Cells make sure have all enzymes and proteins related to mitosis
6
Q
What happens in metaphase checkpoint
A
Cell confirms all chromosomes are aligned properly
7
Q
what is apoptosis
A
programmed cell death, when something is wrong with cell, and sp don’t want to replicate it