4 a. Helicobacter pylori metabolizes Urea and releases Ammonia. How would this affect the microenvironment of the stomach?     B. Is this an important consideration in the treatment of Stomach Ulcers? Why or Why not?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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 Consider this case:

4 a. Helicobacter pylori metabolizes Urea and releases Ammonia. How would this affect the microenvironment of the stomach?  

 

B. Is this an important consideration in the treatment of Stomach Ulcers? Why or Why not?

 

Citrate Utilization   

According to your results, what can you say about the bacteria that is able to use citrate as its sole carbon source?

 

TSI Test                                                                                                                      

 

  1. Why does TSI contain less glucose than sucrose or lactose?

 

  1. Does an acidic slant indicate that the microbe is a coliform? Explain your answer.
  2. Production of H2S by bacteria growing anaerobically in the intestines is common. Some H2S is absorbed into the circulation and some is expelled as intestinal gas. Less commonly, in certain individuals, H2S producing bacteria can live in the plaque built up around their teeth. What undesirable effect might that lead to?

 

 

                                                                                                 

 

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