Lab 12 Flashcards
(15 cards)
1
Q
Methyl Red Test
A
Detects Mixed Acid Production from Glucose Fermentation
2
Q
MR Test Indicator/Reagent
A
Methyl Red
3
Q
MR Positive result
A
Red
4
Q
MR Negative Result
A
Copper/Orange or no color change
5
Q
Voges-Proskauer Test
A
Detects acetoin production
6
Q
VP Reagents
A
Alpha (a) and Potassium Hydroxide
7
Q
VP Positive Result
A
Red
8
Q
VP Negative Result
A
Copper Orange no color change
9
Q
Carbohydrate (Acid) Fermentation
A
Detects acid production
10
Q
Acid Fermentation indicator
A
phenol red
11
Q
Acid Fermentation Positive Result
A
Yellow (pH < 7)
12
Q
Acid Fermentation Negative Result
A
Red No change
13
Q
Carbohydrate (Gas) Fermentation
A
Detects Production of Gas
14
Q
Gas Fermentation Positive Results
A
Bubble in Tube
15
Q
Gas Fermentation Negative Result
A
No Bubble in tube
