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Biochemistry
B A C

B A C

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Below is an image of 3 different bacteria, letter labeld, growing on MacConkey Agar. Note that bacteria such as E. coli use mixed acid fermentation, with very high acid production which will cause a colored precipitation around colonies on MacConkey agar. MacConkey Agar C
Transcribed Image Text:Below is an image of 3 different bacteria, letter labeld, growing on MacConkey Agar. Note that bacteria such as E. coli use mixed acid fermentation, with very high acid production which will cause a colored precipitation around colonies on MacConkey agar. MacConkey Agar C
Match the descriptions below to the correct letter labeled bacterium this Bacterium/Bacteria can grow in the [Choose ] presence of bile salts and crystal violet and cannot ferment lactose, "lac -" [Choose] Bacteria B & C this Bacterium/Bacteria can grow in the presence of bile salts and crystal violet and Bacterium C can ferment lactose, "lac +" Bacterium A This Bacterium is possibly _E. coli_, an indicator of fecal contamination of food or [ Choose ] water This Bacterium could be either_Salmonella_, Shigella_ or Yersinia_ which can grow on MacConkey agar and are lac-- 1. [Choose] >
Transcribed Image Text:Match the descriptions below to the correct letter labeled bacterium this Bacterium/Bacteria can grow in the [Choose ] presence of bile salts and crystal violet and cannot ferment lactose, "lac -" [Choose] Bacteria B & C this Bacterium/Bacteria can grow in the presence of bile salts and crystal violet and Bacterium C can ferment lactose, "lac +" Bacterium A This Bacterium is possibly _E. coli_, an indicator of fecal contamination of food or [ Choose ] water This Bacterium could be either_Salmonella_, Shigella_ or Yersinia_ which can grow on MacConkey agar and are lac-- 1. [Choose] >
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