final Flashcards
What part of the cell cycle is division of genetic information
Mitosis
what phase does replication of organelles occur?
G1 phase
if a cell is in G0 phase, does it reenter the cell cycle whenever it wants too?
false
During what phase does kinetochore microtubules attach to the kinetochore?
Prometaphase
All cells are able to divide through their entire life span? t/f?
false
Pick two that work together to regulate cetain phases of the cell cycle?
Quiescence, Cyclins, Cyclin dependent kinases, CIP
Cyclins and Cycling dependent kinases
The restriction point does which of the following jobs?
Prevents progression to DNA synthesis
During what phase does the nucleolus disappear?
Prophase
Human papollimavirus deactivates which two tumor suppressor genes?
P53 and BRCA1
if a cell becomes damaged, and if DNA is altered or damaged, what stage is it most likely stopped at to fix it?
G1
Cdc25c may be inhibited by what tumor suppressor protein? ( their are two)
RB AND TP53
Which cyclin will kinases CDK1 to transition from G2 to M?
Cyclin B
T/F A senescent cells is permanently stuck in G0.
T
T/F Cells are killed off but are replaced at the same time to maintain homeostasis.
T
What theory allows for limitless replication?
Stem Cell Theory
If a cancer follows ___, it is more likely to be resistant to drugs.
Stem Cell Theory