7.1 Flashcards
1
Q
Order of the Cell Cycle
A
G1-S-G2-M (G0 after G1)
2
Q
Growth Factors
A
Cyclin concentration rises
3
Q
Cyclins
A
Control the cell cycle by attaching to a kinase, the checkpoint.
4
Q
Proto-Oncogenes
A
Normally -not mutated
Code for stimulating proteins (cyclins)
5
Q
Oncogene
A
Mutated, Cancer Causing
6
Q
Role of p53?
A
A tumor suppressor stopping cycle when DNA is damaged.
7
Q
Inhibitory Proteins
A
Inactivate Cdk-Cyclins or prevent activation
8
Q
Tumor suppressor genes
A
Code for inhibitory proteins, they prevent the formation of cdks or cyclins. If turned off it causes cancer
