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Special ingredient of hektoen enteric agar?
Hektoen Enteric Agar Approximate Formula* Per Liter Proteose Peptone ..................................................... 12.0 g Yeast Extract .............................................................. 3.0 g Bile Salts No. 3 ........................................................... 9.0 g Lactose ..................................................................... 12.0 g Saccharose ............................................................... 12.0 g Salicin ........................................................................ 2.0 g Sodium Chloride ........................................................ 5.0 g Sodium Thiosulfate .................................................... 5.0 g Ferric Ammonium Citrate ........................................... 1.5 g Agar ......................................................................... 14.0 g Bromthymol Blue ..................................................... 65.0 mg Acid Fuchsin ............................................................... 0.1 g
Why glycerol is added in cetrimide agar?
as a source of carbon which important for bacterial growth
Explain the function of the 0.1 percent agar in the nitrate medium?
0.1 % agar reduces the diffusion of oxygen into medium and delays dispersion of reducing compounds and carbon dioxide, allowing growth of anaerobes.
Why use dextrose in potato dextrose agar media?
the microorganism required carbon source and use for the production of energy
Minimal salt agar that contains detergent as a carbon source is selective or differential?
Minimal salts agar is selective and differential. It grows gram positive bacteria and turns different color depending on what the specimen is.
Which ingredient in PEA supplies carbon?
Casein is the ingredient in PEA that supplies carbon, as well as nitrogen. PEA is also known as Phenylethyl Alcohol Blood Agar.
Which ingredient in mannitol salt agar supplies carbon?
mannitol is a type of sugar, so it supplies the carbon in the MSA medium
Which ingredient in a phenylethyl alcohol agar supplies carbon and nitrogen?
pancreatic digest of casein
Which ingredient supplies carbon in the mannitol salt agar?
mannitol is a type of sugar, so it supplies the carbon in the MSA medium
What ingredient in PEA supplies nitrogen?
PEA agar, also referred to as Phenylethyl Alcohol Agar is a medium used by microbiologists to grow microorganisms. The ingredient that supplies nitrogen is casein.
Can Serratia grow on Hektoen Enteric Agar?
Yes. Serratia is a Gram negative rod from the Enterobacteriaceae family. The Hektoen Enteric agar allows the growth of Gram negative bacteria while inhibiting growth of Gram positive bacteria.
Special ingredient of hektoen enteric agar?
Hektoen Enteric Agar Approximate Formula* Per Liter Proteose Peptone ..................................................... 12.0 g Yeast Extract .............................................................. 3.0 g Bile Salts No. 3 ........................................................... 9.0 g Lactose ..................................................................... 12.0 g Saccharose ............................................................... 12.0 g Salicin ........................................................................ 2.0 g Sodium Chloride ........................................................ 5.0 g Sodium Thiosulfate .................................................... 5.0 g Ferric Ammonium Citrate ........................................... 1.5 g Agar ......................................................................... 14.0 g Bromthymol Blue ..................................................... 65.0 mg Acid Fuchsin ............................................................... 0.1 g
What are the ingredients in PEA that supply carbon?
There are many ingredients in PEA that supply carbon. Some of the ingredients are dextrose, yeast extract, animal tissue, and soy peptone.
What is agar produced by?
Agar is produced by the cell walls of some species algae. It is derived from an all natural chemical and ingredient called Gelidium amansi.
Why glycerol is added in cetrimide agar?
as a source of carbon which important for bacterial growth
What is phenyl ethyl alcohol agar?
Phenylethyl alcohol agar (PEA) is a selective media used to cultivate Gram (+)microorganisms. The active ingredient, phenylethyl alcohol, inhibits or reduces growth of Gram (-) microorganisms by interfering with DNA synthesis.
What is the role of the agar ingredient in culture medium?
Agar is defined as a gelatinous substance obtained from various kinds of red seaweed and used in biological culture media. It is the culture medium.
