Ex. 33 = Microbial Hydrogen Sulfide (H2S) Production from Thiosulfate and Sulfur-Containing Amino Acids (p. 285) How is sulfate used in bacterial metabolism? How can this be detected in the laboratory? What do negative/positive results look like and what do they tell you about bacterial metabolism? What is the role of peptone in the agar?

Ex. 33 = Microbial Hydrogen Sulfide (H2S) Production from Thiosulfate and Sulfur-Containing Amino Acids (p. 285) How is sulfate used in bacterial metabolism? How can this be detected in the laboratory? What do negative/positive results look like and what do they tell you about bacterial metabolism? What is the role of peptone in the agar?

Basic Clinical Laboratory Techniques 6E

6th Edition

ISBN:9781133893943

Author:ESTRIDGE

Publisher:ESTRIDGE

Chapter1: The Clinical Laboratory

Section1.1: Introduction To The Clinical Laboratory

Problem 12RQ

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Ex. 30 = Differential Utilization of Citrate by the Enteric Bacteria (p. 263) How is citrate used in bacterial metabolism? How do we test if it is used? What is the role of bromothymol blue in this media? What does a positive/negative result look like? What does this tell us about the bacterial metabolism? What are enteric bacteria? Ex. 31 = Acid and Gas Production from Sugar Fermentation (p. 269) What is fermentation? How can we observe it? What is respiration? What is a pH indicator and how does it work? How do we evaluate growth, acid production, and gas production? What are homolactic acid bacteria? What are heterolactic acid bacteria?
Ex. 34 = Indole Production from the Amino Acid Tryptophan and Catabolite Repression (p. 291) What is catabolite repression? How does it work? What do negative/positive results look like and what do they tell you about bacterial metabolism? What is tryptophan and how does it relate to indole? Ex. 33 = Microbial Hydrogen Sulfide (H2S) Production from Thiosulfate and Sulfur-Containing Amino Acids (p. 285) How is sulfate used in bacterial metabolism? How can this be detected in the laboratory? What do negative/positive results look like and what do they tell you about bacterial metabolism? What is the role of peptone in the agar?
What common substance inactivates nitrogenase enzyme by binding to its active site?
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