G1 S G2
In what phase of the cell cycle is dna replicated?
S
after mitosis each daughter cell has how many daugher cells and what ploidy related to the parent cell?
the same
why would a cell be stuck at the G1 checkpoint?
if the dna is damaged
A cell passes G2 checkpoint even though dna is damaged. What protein isnt working?
P53
The phase of chromosomes being lines in the middle of the cell
Metaphase
What phase of the cell cycle are pairs of chromatids present in the entire phase?
G2
Rb protein is inactivated in some cancers. What does Rb inactivation mean for the cell?
The cell can proceed through the cell cycle.
In what phase do the chromosomes being to condense?
prophase
If something disrupts microtubule function what phase would you look at to fix it?
M phase
If there are 4 chromosomes in G1, how many chromatids are there in G2?
8 chromatids
Correct order of events in mitosis?
DNA condenses-> Nuc envelope dissolves-> chromosomes move to midline-> sister chromatids seperate -> cytokinesis
if there are 4 chromosomes in G1 how many chromosomes are in each daughter cell after mitosis?
4
What protein that HPV makes blocks P53 function?
E6
to avoid getting tangled
what holds sister chromatids together during mitosis?
cohesion