Cell Cycle Control Flashcards
1
Q
What are the phases of the mitotic cell cycle?
A
M Phase
G1 Phase
S Phase
G2 Phase
2
Q
What do mitogens do?
A
Stimulate cell division primarily over coming intracellular breaking mechanisms
3
Q
What do growth factors do?
A
Stimulate cell growth (increase in size and mass) by promoting the synthesis and inhibiting the degradation of proteins and other marcomoles
4
Q
When is the main cell cycle checkpoint?
A
In G1 (G0)
5
Q
How are the other cell cycle checkpoints induced?
A
By stressed cells
6
Q
Define Hyperplasia
A
The enlargement of an organ or tissue caused by an increase in the reproduction rate of its cells, often as an initial stage in the development of cancer.
