1. You take a sample with a concentration of 1,000,000 pfu/mL of bacteriophage and make a dilution by taking 1mL from the tube and add it to 9mL of fresh broth and mix. You and repeat this 4 more times, Then you plate 1mL of the sample with a few drops of E.coli on a TSA plate. How many plaques do you expect to see when you examine the plate the next day? M^^^^? Tube A a) 1,000,000 plaques b) 1000 plaques O c) 10 plaques d) 1 plaque e) No plaques E. coli TSA

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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1. You take a sample with a concentration of 1,000,000 pfu/mL of bacteriophage and
make a dilution by taking 1mL from the tube and add it to 9mL of fresh broth and
mix. You and repeat this 4 more times, Then you plate 1mL of the sample with a few
drops of E.coli on a TSA plate. How many plaques do you expect to see when you
examine the plate the next day?
m^^^?
Tube A
a) 1,000,000 plaques
b) 1000 plaques
c) 10 plaques
d) 1 plaque
e) No plaques
E. coli
TSA
Transcribed Image Text:1. You take a sample with a concentration of 1,000,000 pfu/mL of bacteriophage and make a dilution by taking 1mL from the tube and add it to 9mL of fresh broth and mix. You and repeat this 4 more times, Then you plate 1mL of the sample with a few drops of E.coli on a TSA plate. How many plaques do you expect to see when you examine the plate the next day? m^^^? Tube A a) 1,000,000 plaques b) 1000 plaques c) 10 plaques d) 1 plaque e) No plaques E. coli TSA
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