bmb 252 cell cycle question sets (exam 2)
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35 Terms
phases of the cell cycle
G0, G1, S, G2, M
G0 phase
G1 phase
S phase
M phase
prophase
prometaphase
metaphase
anaphase
telophase
cytokinesis
which phases are part of interphase?
when are cells committed to dividing?
is the cell cycle conserved?
what is the cell cycle control system for?
which phases of the cycle have checkpoints required to start?
when are DNA damage checkpoints?
what happens if a cell does not pass a checkpoint?
are checkpoints usually negative or positive feedback loops?
what are key proteins in the cell cycle control system?
what activates Cdks?
how does Cdk concentration behave during the cycle?
how does cyclin concentration behave during the cycle?
Cdk behavior during cell cycle
how does cyclin activate Cdk?
what can addition of phosphates do to Cdk?
Cdk has spots for both inhibitory and activating phosphate molecules
what does ubiquitin ligase do?
what is the role of APC?
proteolysis of which cyclin activates APC?
does APC activity change during the cell cycle?
how is M-Cdk kept inactive until M phase?