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A bacterial suspension with a population of 6.3 x 107cells/mL was diluted as follows: 4 mL was removed and added to 16 mL of diluent. This was again diluted 1 in 300.                                                                                                                                                                    Determine the concentration of cells after EACH dilution.     Concentration after the 1st dilution = 6.3 x 107 cells/mL x 1/5 = 12.6 x 106 cells/mL     Concentration after the 2nd dilution = 12.6 x 106 cells/mL x 1/300 = 42000 cells/mL

A bacterial suspension with a population of 6.3 x 107cells/mL was diluted as follows: 4 mL was removed and added to 16 mL of diluent. This was again diluted 1 in 300.                                                                                                                                                                    Determine the concentration of cells after EACH dilution.     Concentration after the 1st dilution = 6.3 x 107 cells/mL x 1/5 = 12.6 x 106 cells/mL     Concentration after the 2nd dilution = 12.6 x 106 cells/mL x 1/300 = 42000 cells/mL

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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A bacterial suspension with a population of 6.3 x 107cells/mL was diluted as follows:

4 mL was removed and added to 16 mL of diluent. This was again diluted 1 in 300.                                                                                                                                                                 

 

Determine the concentration of cells after EACH dilution.

 

  Concentration after the 1st dilution = 6.3 x 107 cells/mL x 1/5 = 12.6 x 106 cells/mL

 

  Concentration after the 2nd dilution = 12.6 x 106 cells/mL x 1/300 = 42000 cells/mL

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