Sorbitol MacConkey agar is both a selective and differential medium used for the isolation of Escherichia coli 0157:H7. a. What makes this medium both selective and differential? b. How will you differentiate between E. coli 0157:H7 organism and E. coli ATCC®25922 on this medium? c. What will happen to the growth and appearance of E. coli 0157:H7 and E. coli ATCC®25922 if the medium is supplemented with cefixime-tellurite (CT)?

Sorbitol MacConkey agar is both a selective and differential medium used for the isolation of Escherichia coli 0157:H7. a. What makes this medium both selective and differential? b. How will you differentiate between E. coli 0157:H7 organism and E. coli ATCC®25922 on this medium? c. What will happen to the growth and appearance of E. coli 0157:H7 and E. coli ATCC®25922 if the medium is supplemented with cefixime-tellurite (CT)?

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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