The selective agent for MacConkey Agar
bile salts, and crystal violet
indicators for MacConkey Agar
neutral red
Basis for differentation for MacConkey Agar
lactose fermetation
MacConkey Agar turns colorless when:
basic
MacConkey Agar turns red in:
acid
MacConkey Agar inhibits the growth of Gram ____ bacteria
positive
MacConkey Agar supports the growth of Gram ____ bacteria
negaive
MacConkey Agar has ____ numer of sugars
one
The seletive agent for Hektoen Enteric Agar is
bile salts
The indicators for Hektoen Enteric Agar
bromthymol blue, acid fuchsin, and Ferric ammonium citrate
The basis for differentation for Hektoen Enteric Agar
lactose and fructose and salicin fermentation, and hydrogen sulfide production
Hektoen Enteric Agar inhibits the growth of Gram _____ organisms
positive
Hektoen Enteric Agar supports the growth of Gram ____ organisms
negative
Hektoen Enteric Agar is doubley differentail as it has
Sodium Thiosulfate and ferric ammonium
selective agents for Eosin Methylene Blue Agar
Eosin Y and methylene blue dye
Eosin Methylene Blue Agar inhibit the growth of Gram ________ bacteria
positive
The indicators for Eosin Methylene Blue Agar are
eosin Y and methylene blue dye
The basis for differentation for Eosin Methylene Blue Agar is
lactose and sucrose fermentation
Eosin Methylene blue Agar suppors the browth of Gram _______ bacteria
negative
Under _____ conditions, Eosin Methylene Blue Agar produces a dark purple complex usually accompanied by a green metallic sheen.
acidic
A small amont of acid production results in a ____ color for Eosin Methylene Blue Agar
pink
Eosin Methylene Blue Agar is used for the isolation of
fecal coliforms
Columbia CNA with 5% Sheep Blood Agar inhibits growth of Gram:
negative
The selective agents for Columbia CNA with 5% Sheep Blood Agar
colistin and Nalidixic acid
The indicators for Columbia CNA with 5% Sheep Blood Agar
red blood cells
The basis for differentation for Columbia CNA with 5% Sheep Blood Agar
hemolytic reaction
alpha growth
green
beta growth
clears blood
gamma growth
none
Mannitol Salt Agar's selective agents
7.5% NaCl
Mannitol Salt Agar's indicator
phenol red
phenol red turns yellow with a possible hallow in:
acid
Mannitol Salt Agar is pink when pH =
7.4-8.4
Mannitol Salt Agar is red in=
basic
Mannitol Salt Agar basis for differentation
mannitol fermentation
The high sodium cholorid concentration favors the growth of:
staphulococci
This will turn the plate drastic yellow becuase of its ability to ferment mannitol and lower the pH
Staphylococcus aureus