A student wanted to find out more about the cell cycle.
The student made a slide of an onion root tip.
She counted the number of cells in each stage of the cell cycle in one field of view.
The table below shows the results.
UNDAN
Stages in the cell cycle
Stage 1 Stage 2 Stage 3 Stage 4
Non-dividing cells
Total
Number of cell
20
S
9
9
4
2.
2
1
36
Each stage of the cell cycle takes a different amount of time.
Which stage is the fastest in the cell cycle?
