Reading...
Play button
Play button
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;
15 Cards in this Set
- Front
- Back
|
what is present in the phenol red broth that is not in any other
|
durham tube
|
|
|
what is contained in the phenol red broth
|
lactose and a pH indicator called Phenol Red
|
|
|
what does phenol red do
|
change colors
|
|
|
why does the phenol red change colors
|
acid shift
|
|
|
alkaline pH color
|
pink
|
|
|
neutral pH color
|
red/orange
|
|
|
acidic pH color
|
yellow
|
|
|
what breaks down lactose
|
B-galactosidase
|
|
|
lactose+B-glactosidase=
|
acidic
|
|
|
most enterics are what
|
LF
|
|
|
pathogens are what
|
LNF
|
|
|
nonpathogens are what
|
LF
|
|
|
Proteus is special why
|
non pathogenic but still LNF
|
|
|
MANY WASTE FERMENTERS IN ADDITION TO PRODUCING ACID PRODUCE WHAT
|
GAS
|
|
|
what does the gas do inside the pr
|
it shows in the durham tube
|
