Microbiology: An Introduction (13th Edition)
Microbiology: An Introduction (13th Edition)
13th Edition
ISBN: 9780134605180
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case, Derek Weber, Warner Bair
Publisher: PEARSON
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Chapter 6, Problem 1MCQ

Two culture media were inoculated with four different bacteria. After incubation, the following results were obtained:

Organism Medium 1 Medium 2
Escherichia coli Red colonies No growth
Staphylococcus aureus No growth Growth
Staphylococcus epidermidis No growth Growth
Salmonella enterica Colorless colonies No growth

1. Medium 1 is

  1. a. selective.
  2. b. differential.
  3. c. both selective and differential.
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Microbiology: An Introduction (13th Edition)

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