Indicate whether you think that the number of cfu/ ml calculated would be too high or too low if you make this mistake. 1.You intend to add 9ml of broth (water) to each tube and 1 ml of culture. Instead, you add 5 ml of broth to each tube and 5 ml of culture to the first tube. Then, you make a serial dilution of 1 ml into and from each tube as described. 2. You prepare 9 ml of broth (water) in each tube. You add 1ml of culture of every tube. 3.You add 9 ml of broth (water) to each tube. You add 1 ml of culture to the first tube and mix. You get distracted, and transfer 1ml of the dilutant (mixture of culture and broth) to the third tube instead of the second. You perform the rest of the series as described.

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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Indicate whether you think that the number of cfu/ ml calculated would be too high or too low if you make this mistake.

  1. 1.You intend to add 9ml of broth (water) to each tube and 1 ml of culture. Instead, you add 5 ml of broth to each tube and 5 ml of culture to the first tube. Then, you make a serial dilution of 1 ml into and from each tube as described.

2. You prepare 9 ml of broth (water) in each tube. You add 1ml of culture of every tube.

3.You add 9 ml of broth (water) to each tube. You add 1 ml of culture to the first tube and mix. You get distracted, and transfer 1ml of the dilutant (mixture of culture and broth) to the third tube instead of the second. You perform the rest of the series as described.

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