Black in color, resulting in sulfur reduction indicates this
What is a positive test result?
100
This is used after reagent A and reagent B if a positive result has not occurred
What is zinc powder?
100
A microbe that is motile will use this to move outward from the stab line in a motility test.
What is flagella?
100
The ability of an organism to use citrate as its sole source of carbon
What is the Citrate Utilization Test?
100
This is the color of rapid urea hydrolysis
What is pink?
200
This enzyme is used in sulfur reduction medium.
What is cysteine desulfurase?
200
What nitrate (NO3) is reduced to first
What is Nitrate? (NO2)
200
This is the interpretation of the Phenol Red Broth when it is alkaline and can not ferment sugar.
What is pink/red and has no gas (bubbles) in its Durham tube?
200
A blue colored slant indicates this
What is a positive result? (or citrate utilization)
200
These colors indicate slow or no urea hydrolysis
What is orange or yellow?
300
This enzyme is used in an Indole medium test.
What is tryptophanase?
300
A red color after adding zinc indicates this
What is Non-fermenting?
300
These 3 sugars were used for testing in the Phenol Red Broth.
What are Glucose, Lactose and Sucrose.
300
This inoculation medium contains only citrate so that bacteria that possess citrate-permease can transport molecules into the cell and convert them to pyruvate
What is Simmons Citrate Agar?
300
These are the six nutrients in the agar for a urease test
What is glucose, urea, peptone, potassium, phosphate, and phenol red?
400
This is used in the formation of red coloring in the top layer of an Indole test, resulting in a positive reaction
What is Kovacs' reagent?
400
These are the 3 symbols for the 3 possible positive results
What are G, +2, and +1?
400
Anaerobic microbes use this process to break down sugar for energy.
What is fermentation?
400
To avoid confusion about growth, this is used to lightly inoculate the slant
What is an inoculation needle? (stab)
400
This color indicates slow urea hydrolysis
What is partially pink?
500
This is formulated with casein and animal tissue
What is semi solid medium?
500
What does this indicate?
Nitrate (NO3) -> Nitrate (NO2) -> Nitric Oxide (NO) ->
Nitrous Oxide (N2O) -> Nitrogen (N2)
What is the biochemical pathway from NO3 to N2?
500
A microbe that is gram negative/anaerobic is part of this family.
What is an Enterobacterioaceae?
500
Citrate Utilization is used to differentiate between organisms of this family and other Gram-negative rods