1- Why was the T4 and E.coli mixed together in top agar and then poured on the plate instead of just spreading the two together with a glass spreader on the plate? 2- When doing the titration and isolation of the T4 phage, E.coli diluted for you to 10e7 cells/ml. why was a diluted culture used? 3- After doing the titration of T4 phage, you find your dilution plates are all TNTC. how could this have happened? 4- Could you isolate phages that infect E.coli from raw sewerage? explain.
1- Why was the T4 and E.coli mixed together in top agar and then poured on the plate instead of just spreading the two together with a glass spreader on the plate? 2- When doing the titration and isolation of the T4 phage, E.coli diluted for you to 10e7 cells/ml. why was a diluted culture used? 3- After doing the titration of T4 phage, you find your dilution plates are all TNTC. how could this have happened? 4- Could you isolate phages that infect E.coli from raw sewerage? explain.
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- Why was the T4 and E.coli mixed together in top agar and then poured on the plate instead of just spreading the two together with a glass spreader on the plate?
2- When doing the titration and isolation of the T4 phage, E.coli diluted for you to 10e7 cells/ml. why was a diluted culture used?
3- After doing the titration of T4 phage, you find your dilution plates are all TNTC. how could this have happened?
4- Could you isolate phages that infect E.coli from raw sewerage? explain.
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