Los Angeles Valley College » Microbiology » Microbiology 020 - General Microbiology » Fall 2020

Question #1

enterics lack cytochrome c oxidase.

A. FALSE

B. TRUE

Question #2

Kovac's reagent interacts with which of the following?

A. pyruvate

B. tryptophan

C. ammonium

D. indole

Question #3

Glucose fermentation leading to mixed acid production would require ___________ to be identified.

A. methyl red

B. fiery red

C. metal red

D. metallic red

Question #4

Bromothymol blue is blue in acidic environments.

A. FALSE

B. TRUE

Question #5

Which of the following is used to identify a positive result for VP test? Choose all that apply.,,

A. Kovac's ragent

B. alpha-naphthol

C. KOH

D. Methyl red

Question #6

Match the following: Citrase

A. breakdown of citrate

B. transport citrate into cell

C. breakdown of trytophan

Question #7

Match the following: citrate permease

A. breakdown of citrate

B. transport citrate into cell

C. breakdown of trytophan

Question #8

Match the following: trytophanase

A. breakdown of citrate

B. breakdown of trytophan

C. transport citrate into cell