â€‹â€‹â€‹â€‹ Before a cell undergoes mitotic cell division: what has to happen first, regarding its DNA? If (what...

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Biology

â€‹â€‹â€‹â€‹
Before a cell undergoes mitotic cell division:
what has to happen first, regarding its DNA?
If (what you wrote in 2a) didnâ€™t happen, what problem wouldarise?
For the list below, indicate which statements are true of theG1, G2, S, orM phase of the cell cycle. A statement may be trueof any or all of the phases
f. ___ mitotic cyclin is at its highest level
g. _ a Cdk protein is present in the cell
h. _ a cell cycle checkpoint has been identified in thisphase
i. nuclear envelope reforms
j. cohesion proteins break down
k. cell is active in doing its â€œjobâ€
l. _ cell is getting ready to make proteins needed forcell division
m. ______ S cyclin is at its lowest concentration

Answer & Explanation Solved by verified expert

4.2 Ratings (450 Votes)

a Before a cell can enter the active phases of mitosis it must go through interphase stage Because the cell duplicates its DNA during interphase before the cell undergoes mitosis b If a cell does not duplicate its chromosomes the cell will remain in S phase or undergo programmed cell death f S phase See Answer

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