The tube indicated contains broth from a MR-VP broth tube to which methyl red has been added and is __________.

The test designed to identify organisms able to ferment glucose, with the production of acetoin and 2,3-butanediol is the __________.

The electron transport chain is responsible for __________.

Which of the following make(s) MacConkey agar selective?

The most important operational risk factor to microbiology lab safety is releasing microorganisms into the air as aerosols and droplets.

Nitrate reduction is responsible for __________.

Which of the following indicates a negative oxidase test?  

The peptone in the EMB agar serves as a(n) __________.

Eosin methylene blue agar is used to __________.

MacConkey agar is used to isolate and differentiate members of the Enterobacteriaceae based on the ability to ferment lactose.