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Define Ziehl-Neelsen Staining Technique?
Ziehl-Neelsen staining is used for staining these bacteria. The technique was discovered first by Robert Koch during his pioneering investigations on tuberculosis and was the fore-runner of Ziehl-Neelsen stain used today for diagnosis of these organisms in laboratory. Acid fast bacteria are called so because once these cells get stained with basic fuchsin, these resist decolourization with acid alcohol as can be seen in margin illustiation. This acid fastness red stain is due to high lipid content particularly of mycolic acid in their cell wall. Mycolic acid, is a group of branched chain hydroxyl lipids, which bind covalently to peptidoglycan of cell wall giving the cell surface a waxy, hydrophobic consistency.
Explain about the Isoflavones? These are usually treated separately from the other five subclasses and are an area of considerable research interest. Isoflavones are found almo
You are given a metaphase chromosome preparation (a slide) from an unknown organism that contains 12 chromosomes. Two that are clearly smaller than the rest appear identical in len
Q. What is Autoclave sterilization? Word "autoclave" means self locking and is used to denote an apparatus that sterilizes by use of steam under pressure. It operates on same
Q. Function of Adenosine in consciousness? The adenosine plays a major role in inducing sleep. Injections of adenosine promote sleep and decrease wakefulness. Conversely, adeno
PHYSICAL EXAMINATION OF A CHILD This practical as you have seen above deals with assisting in various diagnostic procedures of a child. The first responsibility of you as a
Define Role of Nutrients in Controlling Gene Expression? The role of several nutrients in controlling gene expression, as mentioned earlier, is in infancy, but with advancing b
Molybdenum and Vanadium - Inorganic Nitrogen and Sulphur Metabolism Molybdenum must be available in nature in order to meet the demand of Mo for the formation of nitrogenase n
Indication of Exchange Transfusion i) Early exchange transfusion is indicated in the presence of hydrops and is often indicated by a history of previously severely aff
Q. Symptoms of ulcerative colitis? As discussed in the case study above, the common symptoms are: 1. Mild abdominaI discomfort, an urgent need to defecate several times a da
Protozoan phyla
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