G0/G1 (the cell grows larger), S (the cell replicates its DNA), and G2/M (the cell prepares for division and then splits). While the multiciliation cycle followed the transcriptional phases of the ...

Microscopists had known about cell division for more than one hundred years ... mitosis (M), gap 1 (G1), DNA synthesis (S), and gap 2 (G2). The study of these phases, the proteins that regulate ...

The cell must also pass through a series of checkpoints that ensure conditions are favorable for division ... just before a cell moves from G 2 to mitosis. Here, a number of proteins scrutinize ...