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3. Two tubes of bacteria with unknown original cell density (OCD) were given to two students. One student diluted her culture out to 10-9 and added 200 uL/plate. The 2’nd student diluted his culture out 10-6 and added 50 uL per plate. Given the following data sets calculate the OCD for each. B. Plate Volume: 200μL Tube -7 -8 -9 Plate Count 500 50 5 OCD: _______________________ C. Plate Volume: 50μL Tube -4 -5 -6 Plate Count 199 21 2 OCD: _______________________

3. Two tubes of bacteria with unknown original cell density (OCD) were given to two students. One student diluted her culture out to 10-9 and added 200 uL/plate. The 2’nd student diluted his culture out 10-6 and added 50 uL per plate. Given the following data sets calculate the OCD for each. B. Plate Volume: 200μL Tube -7 -8 -9 Plate Count 500 50 5 OCD: _______________________ C. Plate Volume: 50μL Tube -4 -5 -6 Plate Count 199 21 2 OCD: _______________________

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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3. Two tubes of bacteria with unknown original cell density (OCD) were given to two students. One student diluted her culture out to 10-9 and added 200 uL/plate. The 2’nd student diluted his culture out 10-6 and added 50 uL per plate. Given the following data sets calculate the OCD for each. B. Plate Volume: 200μL Tube -7 -8 -9 Plate Count 500 50 5 OCD: _______________________ C. Plate Volume: 50μL Tube -4 -5 -6 Plate Count 199 21 2 OCD: _______________________
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