Gelatinase is an enzyme that breaks down…

When gelatin is broken down in a gelatin tube, the tube becomes liquid, and this is interpreted as a _________ test.

Which side below is almost certainly mold, the left or the right?

Looking at the image below, did the student successfully achieve isolated colonies for further study?

Below describes the process of an Acid-Fast stain for both an acid fast species and a non-acid fast. The identities of both have been concealed with the letters A and B. Which type is type “A”?

Which set of directions below is BEST for focusing the microscope on an image using oil immersion?

In the diagram below, which substance was most effective at killing the bacteria?

If inoculating a slant, what motion should be used?

Which bacteria below would be considered Gram positive?

Which of the following most accurately describes proper aseptic technique during a bacterial transfer procedure?