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Define Principle for Simple Staining of Bacterial Cultures?
In simple staining, a single staining agent preferably a basic dye is used. Commonly used basic stains are carbol fuchsin, crystal violet and methylene blue. Different exposure times are used for different dyes, e.g. for carbol fuchsin 15-30 seconds, crystal violet 20-60 seconds and methylene blue 1-2 minutes. Being positively charged, these binds strongly to bacterial cells, which have negative charge on their cell surface. Simple staining gives idea regarding size, shape and arrangement of cells. Its value lies in its simplicity and ease of use.
Q. What is Aflatoxin? Aflatoxins are the most widely studied of all mycotoxins. Knowledge of their existence dates from 1960, when more than 100,000 turkey died in England afte
Osteogenesis The term osteogenesis describes essentially two distinctly different phenomena by which bone can become juxtaposed to an implant surface.
Reversible airways obstructive disease, advanced heart block, or episodic decompensation. Vasodilators Agents that dilate arteriolar smooth muscle and lower peripheral vascu
Determine the term - Angiomas Angiomas are congenital collections of abnormal vessels that divert the normal flow of blood. These capillaries, venous, or arteriovenous (A-V) ma
Describe forces that contribute to cell''s electrochemical gradient. How does electrochemical gradient influence ion transport?
Formation of Vegetative and Generative Cells The division of a pollen grain results in two unequal cells-the vegetative cell and the generative cell. The pollen grain is herea
Explain cell membrane? The Cell Membrane : The cell membrane, or plasma membrane, separates the cell from neighboring cells or from the external environment. Both prokaryot
Define Fuel Molecules and Lipogenesis? Lipogenesis is a collective name for the complex process of producing lipids (fatty acids) from smaller precursor molecules. The synthesi
Tube or Enteral Feeding Ideally the patient must be fed orally, but in cases where the patient is unable to take solid foods, a part or all of intake is usually given by the tu
Individual components of biodiversity provide an unbeliev able wide range of products that are used to enhance the lives of people in all countries of the world. It is the diversit
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