  A culture with approximately 3x104 cells/mL were incubated. After 3 hours, the number of cells had increased to 6x105a) How many generations have occurred?

Question

A culture with approximately 3x10cells/mL were incubated. After 3 hours, the number of cells had increased to 6x105

a) How many generations have occurred?

Step 1

The number of generations (n) refers to the number of times a cell population got doubled during a given time interval. If,

B = initial number of cells

b = number of cells at the end of the time interval

Then, n is calculated as:

Step 2

Given:

Incubation time or time interval (t): 3 hours minutes = 180 minutes

Initial number of cells, B =3×104

Number of cells at the end of the time interval, b = 6×105

Step 3

Calculating, n, the number of generation by substitutin...

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Microbiology 