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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.
What is the constitution of the cartilaginous matrix? The cartilaginous matrix is made of collagen fibers, mostly collagen type II, and of proteoglycans, proteins associated to
Q. Hand Washing in sterilization process? Hand washing is considered the single most important measure to reduce the risk of transmitting organisms to patients and HCWs (health
Q. What is the anemia? What are the four major types of anemia? Anemia is low concentration of hemoglobin in the blood, the four major kind of anemia are the nutrient-deficienc
Determine the solubility of micronutrient cations The solubility of micronutrient cations is at a maximum at low pH values. As the pH increases the ions of these elements first
Gill slits are the opening or the clefts between the gill arches in the fish. Water taken in by the mouth passes through the gill slits and bathes the gills. It also has rudimenta
What are the main events of the third mitotic period? The third mitotic period is anaphase. In anaphase the following events happen: duplication and breaking of centromeres wi
Q. What are the Chronic complications of diabetes? • Atherosclerosis: Degeneration of walls of the arteries due to fatty plaques - deposition on arterial walls. Diabetics ar
What is Metabolism ? The sum total of vital activities ( movements , nutrition, growth, respiration, excretion , reproduction, behaviour ,etc. Is the life of a living bei
Can you guys help with my homework assignment for Geology?
CEL L BODY (= CYTON OR SOMA) OR PERIKARYON - It is nucleated & broader part of neuron. It may be up to 13.5 mm in diameter and may be irregular, spherical, oval, rounded
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