Microbiology Lab Practicum 3 Review

Front

Which sugar can all bacteria use in phenol red sugar fermentation tubes?

Back

Glucose

Front

What enzyme is responsible for the degradation of gelatin in the gelatin hydrolysis test?

Back

Gelatinase

Front

In the gelatin hydrolysis test, what does a positive result indicate?

Back

Gelatin liquefies

Front

What is the main component of gelatin that is degraded in the gelatin hydrolysis test?

Back

Collagen

Front

What does the Methyl Red test detect?

Back

Production of acid by fermentation

Front

What is the significance of a yellowish color in the Voges-Proskauer test?

Back

Negative result

Front

The Voges-Proskauer test is part of which set of tests?

Back

IMViC

Front

What color does the Urea Broth turn when alkaline?

Back

Pink

Front

What happens to casein if enough acid is produced during the Litmus Milk Test?

Back

It forms a curd

Front

What occurs during litmus reduction in the Litmus Milk Test?

Back

Litmus becomes colorless