Stains
Media
Microflora
Food Microbiology
Random
100

Dyes used for capsule stain.

What is Congo red and maneval's solution?

100

Components of KF-strep agar

What is sodium azide and TTC?

100

Expected results for a fecal coliform inoculated in LST-MUG broth.

What is growth, gas and fluorescence?

100

Released from the sporangium.

What is spores?

100

Acquired resistance.

what is resistance that develops through mutations?

200

The pink cells seen from an endospore stain.

What is vegetative cells?

200

Medium and reagents used for ammonification test.

What is 4% peptone broth (medium) and OPA/TCA (reagents)?


200

Frosted glass/granular colony on mitis-salivarius agar.

What is S. mutans?

200

Arthrospores

what is made from fragmented hyphae and will develop into the mold?

200

Controls for endospore stain.

What is bacillus subtilis.

300

The stain that doesn't use heat (heat fix, slide warmer).

What is capsule stain?

300

The difference between LST-MUG broth and EMB agar?

What is presumptive test for E. coli (LST-MUG) and confirmation test for E. coli (EMB agar)?

300

Features of coliforms.

What is bacillus, gram negative, facultative anaerobe, non-spore forming, lactose fermentation (48 hours at 35 degrees Celsius)?

300

Type of reproduction for yeast

What is asexual reproduction?

300

Reagent added to starch agar post incubation and expected color change.

What is gram's iodine and dark purple color if amylose is present?

400

Only purple cells was viewed on gram stain.

What is decolorizer (ethanol) wasn't left on long enough?

400

Components of mannitol-salts agar

What is 7.5% NaCl, mannitol, and phenol red?


400

Bacteria that result in red versus yellow agar color in mannitol-salts agar (skin swab)

What is S. epidermidis (red) and S. aureus (yellow)?

400

The four molds tested via henrici slide.

What is geotrichum, aspergillus, penicillium, mucour?

400

The four modes of action for antibiotics.

What is inhibition of cell wall synthesis, inhibition of translation, inhibition of nucleic acid synthesis, cell membrane disruption?

500

The results for Gram stain of the controls when Gram's iodine was forgotten.

What is pink bacilli and pink cocci?

500

Components and purpose of each for Mitis-salivarius agar.

What is tellurite (selective against gram negative, most gram positive, and many molds. Differential by reducing Enterococci into black colonies), crystal violet (selective: gram positive), trypan blue dye (differential: absorbed by streptococcus to form blue colonies), and sucrose (differential: metabolized and produces large and mucoid colonies)?

500

Reason for colonies being red on KF-strep agar.

What is reduction of TTC to formazan from cell's anaerobic metabolism?

500

Protocol for Henrici slides

What is add ripped up paper towel into sterile plate, get wet with deionized water, break wooden dowel and place into plate in V shape, sterilize slide (via ethanol and flaming), add a couple drops of molten SAB, inoculate with spores, place cover slip, and incubate?

500
No bubbles formed in nitrate broth after adding sulfamic acid and zinc.

What is nitrate reduction to mystery product?