Cytochrome c oxidase is the last enzyme in its electron transport chain.

If the tubes remained clear after adding reagents A and B in a nitrate reduction test, and then you got the indicated result after adding zinc dust, it would mean __________.

The tube indicated contains broth from a MR-VP broth tube and __________.

A pH indicator is added to mannitol salt agar to allow for the detection of acid production. The pH indicator used in mannitol salt agar is __________.

Why is a Durham tube added to the phenol red fermentation broth tube?

The Voges-Proskauer test was designed to identify organisms capable of mixed acid fermentation.

It is important to read your oxidase test results right away because __________.

What genera of organisms thrive on mannitol salt agar?

If the tube turns red after adding reagents A and B to a nitrate reduction test, the results mean __________.

How is the inoculation of a broth tube and a slant tube different?