5.1 Quiz Flashcards
1
Q
What are the phases of inter phase?
A
G1: day to day function, grows in size
S: synthesize, copies DNA
G2: organelles are doubled
2
Q
What are the phases of the cell cycle?
A
- Inter phase
- Mitosis
- Cytokinesis
3
Q
What is G0?
A
Cells never divide. Ex: neurons and red blood cells
4
Q
Mitosis
A
4 stages
nuclear division
5
Q
Cytokinesis
A
final cell divides
6
Q
Checkpoints
A
G1: size and health
G2: size and replication
Mitosis: spindle fibers and chromosones
7
Q
Bigger cell=
A
smaller ratio
8
Q
Surface Area=
A
cell membrane
9
Q
Contact Inhibition
A
STOP: no more room
10
Q
Growth Factors
A
GO: chemical signal, keep growing
11
Q
Kinase
A
enzyme
12
Q
Cyclin
A
protein
13
Q
Cyclin-dependent Kinase (CDK)
A
Does the checkpoints during cell cycle
14
Q
Apoptosis
A
pre programmed cell death
15
Q
CDK is most active at
A
the check points
