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Explain the Primary Stain - Ziehl-Neelsen Method?
Ordinary aqueous stains like methylene blue, crystal violet, etc. are not able to stain most of the species of Mycobacteria. Carbol fuchsin, a red mixture of basic fuchsin and phenol can be used for staining these bacteria. Basic fuchsin, binds to carboxylic acid group of mycolic acid and phenol enhances penetration of basic fuchsin into lipid. Penetration is further enhanced by slow heating to steaming for 2-3 minutes. This drives the stain inside the cytoplasm. In modified Ziehl-Neelsen method, instead of heating, a wetting agent - Turgitol - can be added to the stain. This agent reduces surface tension between the cell wall of the mycobacteria and the stain. After staining, all cells become red.
Define Body Composition - Geriatric Nutrition? After 30 years of age 1-2% decline in lean body mass annually is observed. The total body water, bone mass and lean body mass
need different types of information about fishes and their pictures
Q. What are branchiae? What are examples of animals that "breath" through branchiae? Branchiae also known as gills are small portions of richly vascularized tissues external or
how is the heart initiated for its function
Define the Classification of Carbohydrates? If you go back and read up your theory, you will recall that there are four main classes of carbohydrates based on the number of mon
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Q. What is Echocardiography? Echocardiography in paediatric cardiology forms a different category from that of adult echo with acquired heart disease. Some of views which pro
why can only one kind of cellulose be formed?
Determine the purpose of the study: There must be a sound rationale or justification for every research project. If the pui-pose of the study is clearly presented and just
Calliphora vicinia larvae grow at different rates on different body tissues The problem which was approached in this experiment is to measure the growth rate of the
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