2.1.6 The Cell Cycle Flashcards
1
Q
Order of cell cycle
A
G1 phase, S phase, G2 phase, mitosis, cytokinesis, repeat
2
Q
What is G0 phase and why does a cell go into it
A
- differentiated cell no longer able to divide
- DNA may be damaged
3
Q
Where is G1 checkpoint and what does it check for
A
- end of G1 phase before S phase
- cell size
- nutrients
- growth factors
- DNA damage
4
Q
Where is G2 checkpoint and what does it check for
A
- end of G2 phase before mitosis
- cell size
- DNA replication
- DNA damage
5
Q
Where is spindle assembly check point and what does it check for
A
- mitosis: metaphase
- all chromosomes are attached to spindles and are aligned
