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5. Suppose that in the plate "D" from exercise #3 above you counted 293 colonies. What is the concentration of bacteria in the original sample? Show your rationale and make sure that the result is expressed in "two-significant figures". Do not forget of variables units as showing them in your rationale, such as "colonies" and "CFU/ml" or "CFU/g"

5. Suppose that in the plate "D" from exercise #3 above you counted 293 colonies. What is the concentration of bacteria in the original sample? Show your rationale and make sure that the result is expressed in "two-significant figures". Do not forget of variables units as showing them in your rationale, such as "colonies" and "CFU/ml" or "CFU/g"

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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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5. Suppose that in the plate "D" from exercise #3 above you counted 293 colonies. What is the concentration of bacteria in the original sample? Show your rationale and make sure that the result is expressed in "two-significant figures". Do not forget of variables units as showing them in your rationale, such as "colonies" and "CFU/ml" or "CFU/g" [No of colonies]x10x[Too many times sample multiply] [293]x10x1=2930 cfu32930
Transcribed Image Text:5. Suppose that in the plate "D" from exercise #3 above you counted 293 colonies. What is the concentration of bacteria in the original sample? Show your rationale and make sure that the result is expressed in "two-significant figures". Do not forget of variables units as showing them in your rationale, such as "colonies" and "CFU/ml" or "CFU/g" [No of colonies]x10x[Too many times sample multiply] [293]x10x1=2930 cfu32930
3. Consider adding 1 g of breakfast burrito into 999 ml of water. Calculate 1,000-fold dilution for five consecutive tubes. Explain the dilution created for each tube (A, B, C, D, and E) by using a dilution scheme. Stir spoon with spoon and use the beaker to remove 10 ml of breakfast A serial dilution is any dilution in which the concentration decreased by same factor each successive step F12 F10 F11 F9
Transcribed Image Text:3. Consider adding 1 g of breakfast burrito into 999 ml of water. Calculate 1,000-fold dilution for five consecutive tubes. Explain the dilution created for each tube (A, B, C, D, and E) by using a dilution scheme. Stir spoon with spoon and use the beaker to remove 10 ml of breakfast A serial dilution is any dilution in which the concentration decreased by same factor each successive step F12 F10 F11 F9
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