Reproduction Flashcards
1
Q
Autosomal cells are …
A
Diploid - contain 2 copies of each chromosome
2
Q
Germ cells are
A
Haploid (n) - 1 copy of each chromosome
3
Q
4 stages of the cell cycle
A
G1, S, G2, and M
4
Q
Interphase stages
A
G1, S, G2
5
Q
What does the cell do during the G0 stage?
A
Living and serving function without any preparation for division
6
Q
Form of chromosomes during interphase
A
Chromatin - condensed
7
Q
Events of G1 stage
A
- create organelles
- increase size
- contain restriction point
8
Q
Events of S stage
A
- replicate genetic material
- twice as much DNA for G2
9
Q
Events of G2 stage
A
- site of restriction point
- checks that there are enough organelles and cytoplasm
- checks that DNA replication was correct
10
Q
Events of M stage
A
MITOSIS and CYTOKINESIS
11
Q
Four stages of Mitosis
A
Prophase
Metaphase
Anaphase
Telophase
(Think PMAT)
12
Q
G1/S checkpoint function and protein
A
- determines if cell is in good enough condition for synthesis
- p53 protein
13
Q
G2/M checkpoint
A
- determines if cell has enough size and organelles
- p53
14
Q
Molecules responsible for the cell cycle
A
Cyclins and cycling dependent kinases (CDK)
15
Q
CDK’s are activated by :
A
Cyclins
