What is the total dilution of Tube #4? Express the answer in exponential format. b. You plated 1 mL of the Tube #4, After incubating, you counted 500 colonies on the plate. What is the concentration of Tube #0? include units. c. How could you change the experiment in part B to get a plate in the countable range? Be specific about any dilution factors and/or plated volumes you would change

Body Structures & Functions
12th Edition
ISBN:9781285695495
Author:Scott
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Chapter16: Infection Control And Standard Precautions
Section: Chapter Questions
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a. What is the total dilution of Tube #4? Express the answer in exponential format.

b. You plated 1 mL of the Tube #4, After incubating, you counted 500 colonies on the plate. What is the concentration of Tube #0? include units.

c. How could you change the experiment in part B to get a plate in the countable range? Be specific about any dilution factors and/or plated volumes you would change.

You diluted and plated a culture of bacteria according to the scheme below. Tube #0 reprekents the
original culture.
1/10
1/100
1/20
1/50
#0
#1
# 2
#3
# 4
1 ml
500 colonies
Transcribed Image Text:You diluted and plated a culture of bacteria according to the scheme below. Tube #0 reprekents the original culture. 1/10 1/100 1/20 1/50 #0 #1 # 2 #3 # 4 1 ml 500 colonies
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