Answer to Question #144585 in Cell Biology for William

Question #144585
The cell in an onion root tip cell takes 16 hours , calculate the length of time stage 2 lasts in a typical cell , give your answer to 2 significant figures
The table.
Stages in cell cycle
Non dividing cells s1 s2 s3 s4 total
Number of cells. 20. 9. 4. 2. 1. 36

S1 = stage one and so on
Expert's answer

Time for onion takes 16 hour

1 Hour = 60 minutes

Therefore 16 hours "\\times" 60 minutes =960 minutes

Time for each stage=( Number of cells at each stage"\\div" Total number of cells)"\\times" 960

Time for stage two: Number of cells 9 cells

Total number of cell 72 cells

(9"\\div"72 )"\\times" 960 = 120 minutes

Stage 2 lasts for 120 minutes

Ans= 120 minutes

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