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Define Molisch's Test or alpha naphthol reaction?
The Molisch test is a common test for the existence of carbohydrates.
Principle
The reaction is due to the formation of furfural or furfural derivatives. Furfural and furfural derivatives are derived from the dehydration of sugars. The dehydration is caused by the action of concentrated sulphuric acid on sugars. Disaccharides, oligosaccharides and polysaccharides are hydrolyzed to yield their repeating monomers by the acid. The alpha-naphthol reacts along with the cyclic aldehydes to make purple coloured condensation products.
Excretion in Non-Chordates Excretion as described under Introduction of this unit refers to removal of the waste products of metabolism - carbon dioxide (CO 2 ) and water rele
their structure
Long Distance Transport Once in the xylem vessels, the transport of the mineral elements from the root to the shoot is driven by the gradient of hydrostatic pressure (root pre
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Describe a. the factors responsible for promoting lactation, and b. the mechanism responsible for the cessation of lactation when a mother weans her baby.
State the term - rCBF In rCBF, the participant inhales a small amount of a radioactive gas such as xenon, which is absorbed into the bloodstream and thus transported around the
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a well lablled diagram of a tilapia
Q. Which Foods are used by Microorganisms for Energy? The carbohydrates, especially the sugars, are most commonly used as an energy source, but other carbon compounds can also
What are cells with a delimited nucleus called ? What are the main elements of the nucleus? Cells with delimited nucleus are known as eukaryotic cells. Organisms composed of on
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