A bacterial culture has an initial population of 2 × 10⁶ cells. After 3 hours of exponential growth, the population becomes 1.6 × 10⁷ cells. Calculate the number of generations (n) that have occurred in this time.

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#Question id: 19628

#XL - P Chemistry

Which of the following pairs constitutes a buffer ?

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#Question id: 20057

#XL - P Chemistry

Maximum how many numbers of hydrogen bond can be form by H2O molecule ?

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#Question id: 1629

#XL - S Microbiology

Clonal selection occurs when antigen is encountered by:

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#Question id: 1722

#XL - Q Biochemistry

The spleen is largely involved with the response to antigens which are in the:

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#Question id: 412

#XL - Q Biochemistry

All of the following contribute to the large, negative, free-energy change upon hydrolysis of “high-energy” compounds except: