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Micro lab 27
Micr 204, Urea Hydrolysis lab 27
Question | Answer |
---|---|
The enzyme X splits urea into X and X. | Urease, ammonia, carbon |
A X color appears in urea broth as a result of hydrolysis. | red |
X is the pH indicator used in urea broth. | Phenol red |
The pH of urea broth must be at least X in order to give a positive urea hydrolysis test. | 8.1 |
The genus of bacteria used in this exercise which hydrolyzes urea is X. | Proteus |
The substance that gives the positive result is X and does so by causing an increase in X. | ammonia, pH |
Medium used: | urea broth |
What color is a positive test for urea hydrolysis? | Pink |
What color is a negative test for urea hydrolysis? | Yellow, or unchanged |