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What are selective media for aspergillus?
Peptone glucose agar (PGA) medium
What is the function of peptons?
peptone mainly acts as a source of nitrogen and also carbon upto some extent. in a medium, peptone being amphoteric in nature can also act as a buffer.
What is GYP medium?
GYP medium is a Glucose Yeast Peptone medium used for the growth of certain bacteria. It typically comprises of glucose, yeast, peptone, Na-acetate and salt solutions in different ratios. The salts include MgSO4 x 7 H2O, MnSO4 x 4 H2O, FeSO4 x 7 H2O and NaCl.
What is the selective property of the Snyder medium?
An Acidic pH
What is the molecular formula of peptone?
peptone water is used as a growth medium and as a carbohydrate fermentation media. peptic digest of animal tissue(peptone) = 10.0 gm/ltr NaCl= 5.0 gm/ltr water = 1000 ml ph( at 25 degree centigrade ) = 7.2 incubation period & temp. = 35-37 C. for 18-24 hrs
Is Mannitol salt agar a selective or a differential medium?
Both
Is carbon in peptone?
Bacteriological peptone seldom contains carbon..!
What supplement would you use to enrich the medium to support and maintain the growth of the organisms?
Peptone, a semi digested protein, is primarily a nitrogen source.
Which ingredient in mannitol salt agar supplies carbon?
mannitol is a type of sugar, so it supplies the carbon in the MSA medium
What is the difference between a peptide and a peptone?
The difference between a peptide and peptone is not complicated. A peptone is derived from animal milk and peptides are not.
Why peptone is an ingredient in TSA media?
There are two Peptone used in TSA media:1. Casein peptone2. Soya peptoneCasein peptone and Soya peptone provide nitrogen, vitamins and minerals. The natural sugars from Soya peptone promote bacterial growth.
When a substance is added to solid medium which inhibits growth of unwanted bacteria but permits the growth of wanted bacteria the medium is known as?
selective medium
