The production of a purple butt on LIA indicates that the organism has changed the lysine to:

The oil used with the oil immersion lens:

The 100x objective lens with a 10x ocular lens provides an overall magnification of:

On a gram stained smear bacteria may be identified to some extent by their:

The process by which organisms adhere to a slide is called:

In the gram’s stain, iodine is referred to as the:

What color would a gram negative organism be immediately after acetone-alcohol decolorization?

What color would a gram positive organism be before the addition of iodine?

Two critical steps in the gram staining procedure are the actions of:

 Phenylethyl alcohol agar is used for the:

Thayer-Martin media is used to isolate:

The special media used in the diagnosis of whooping cough is:

Selenite broth:

Eosin methylene blue agar is a good differential media because it distringuishes between:

 All of the following agar media can be used for isolating enteric pathogens, except:

 Triple sugar iron (TSI agar medium contains the following sugars except:

 The usefulness of the O-F medium for determining oxidative, fermentative, or inactive reactions is based on a:

The majority of bacteria will grow within a temperature range of:

The indicator organism for fecal pollution in the US is:

 Storage of media in a refrigerator reduces:

Microbiology media should be stored at:

Thioglycollate medium supports the growth of:

 Mueller-Hinton agar: