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Name: Rainy
Status: Student
Grade:  9-12
Location: CA
Country: United States
Date: May 2007

1-How long does it take a HeLa cell to divide verses ordinary human cells and bacteria?

The doubling time of HeLa cells is approximately 24 hours which is about the same as normal mammalian cells. The doubling time of E. coli cells is approximately 20 minutes.

Ron Baker, Ph.D.

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