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What organism yellow green on blood agar?
Streptococcus pneuomoniae When this organism is tested on a blood agar plate it's colonies will be surrounded by a greenish discoloration due to alpha-hemolysis.
Why have zone inhibition?
It is the area on an agar plate where growth of a control organism is prevented by an antibiotic usually placed on the agar surface. If the test organism is susceptable to the antibiotic, it will not grow where the antibioitic is.
Does nutrient agar supports the growth of more or fewer organism than a complex medium?
it depends on the organism.
What is the differences between zone of inhibition and zone of exhibition?
Zone of inhibition :-It is the area on an agar plate where growth of a control organism is prevented by an antibiotic usually placed on the agar surface. If the test organism is susceptable to the antibiotic, it will not grow where the antibioitic is. Zone of exhibition:-
What is the chemical composition of agar?
chemically, agar is a galactan, a complex carbohydrate with galactose molecules which are not metabolized by non-ocean microbes. *** It has been know that only marine bacteria can degrade agar, but there are some reports that some soil bacteria can degrade and utilize the agar. http://www.jstage.jst.go.jp/article/bbb/67/5/67_1048/_article/-char/en
What is agar powder?
Agar powder Is gelatin extracted from seaweed
Does carrageenan have algy in it?
it is made out of algae, its extracted lik agar-agar or alginates.
If an organism can grow on both a nutrient agar and a MacConkey Agar on which would you expect it to grow better?
The organism would be expected to grow better in nutrient agar. Nutrient agar is rich in nutrients and microorganisms grow well when there is availability of nutrients.
Lactose fermentation mac conkey test which color indicate a positive test?
MacConkey agar is yellow (due to the lactose in the agar). When an organism consumes the lactose, the agar turns purple. Purple indicates a positive test. If the organism doesn't use the agar, the agar stays yellow.
What organism yellow green on blood agar?
Streptococcus pneuomoniae When this organism is tested on a blood agar plate it's colonies will be surrounded by a greenish discoloration due to alpha-hemolysis.
Why have zone inhibition?
It is the area on an agar plate where growth of a control organism is prevented by an antibiotic usually placed on the agar surface. If the test organism is susceptable to the antibiotic, it will not grow where the antibioitic is.
What is the media selective for fungal organism?
potato dextrose agar medium is used for fungal growth
Does nutrient agar supports the growth of more or fewer organism than a complex medium?
it depends on the organism.
What is an agarose?
An agarose is a polymeric cross-linked polysaccharide extracted from the seaweed agar and used to make gels.
The energy required for life processes must be extracted from an organism's?
environment
What is the differences between zone of inhibition and zone of exhibition?
Zone of inhibition :-It is the area on an agar plate where growth of a control organism is prevented by an antibiotic usually placed on the agar surface. If the test organism is susceptable to the antibiotic, it will not grow where the antibioitic is. Zone of exhibition:-
What materials are extracted from the sea?
the materials extracted from the sea are the salt- and seawead and driftwoodanswer 2 Salt, Iodine from seaweeds, agar from seaweeds, some of the world's magnesium is recovered from seawater. 'Drinking water' by reverse osmosis.
