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Define Principle of fehling test - reduction tests?
Sugars that possess a free or potentially free (those that can be converted to free) aldehyde or ketonic group have a property of easily reducing metal ions such as copper, iron, mercury, bismuth etc. The alkali from Fehling's reagent acts on sugar molecules and converts them to enediols. These enediols are unstable and highly reactive and thus reduce cupric ions to cuprous ions. These cuprous ions combine with the hydroxyl ions to form cuprous hydroxide, which, on heating, forms a red precipitate of cuprous oxide.
Define Proteins as biological buffers? Proteins have the ability to accept or donate hydrogen ions and by doing so they serve as biological buffers. In blood, there are three i
a 6th grade student friendly definition?
what is the biological significance of skeleton
Mixture of gasoline and air is used as fuel in internal combustion engine. It is highly compressed and then ignited. 1. The process involves four strokes : 2. The f
The name Joseph Merrick, subject of "The Elephant Man", is generally associated with one disorder, though it now seems likely he actually suffered from a different disorder. Name e
What is the morphological characteristic that evolutionarily approximates the beings of the phylum Annelida to arthropods? The metameric feature, i.e., the body segmentation in
Birth Marks (Naevi): Birth Marks is also known as naevi. It is a multiplication of one or more cutaneous elements within the skin. It is defined as a congenital, ci
Signify the term - Proglottids? Serially repeating segment like structures found in tapeworms which contain reproductive organs. Immature proglottids are continually added at t
what are the disadvantages of protozoa?
Explian Anthropometric measures Anthropometric measures : It measures growth in children and shows changes in weight in all populations that call reflect diseases an
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