Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
Combined media |
Tests for multiple biochemical characteristics Ex: SIM, TSI |
|
What is it called when an organism switches from fermentation to peptonozation |
Conversion |
|
Biochemical characteristics |
Enzymatically propelled chemical reactions |
|
SCA |
Food source: sodium—> hydrogen Enzymes: Citrate Indicator: bromethymol blue Green at or below 6.9-acidic Blue- at or above 7.6-basic |
|
Urea |
Food: Urea, peptones, glucose Enzymes: urease Indicator: phenol red Peachy/yellow = acidic Red/pink = basic |
|
SIM |
Food: sulfur reduction to hydrogen sulfide Enzyme: tryptophanase Indicator: DMABA |
|
TSI |
Food: glucose, sucrose, lactose Enzyme: Indicator: phenol red Fermentation-acidic-yellow Peptonozation-basic-pink red |
|
Inoculation for SIM |
Stab in and out the same path with needle to avoid fast positives for motility |