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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.
what is the effect of KClO4 on the kidneys in the nephrotic system?
Brain Neurosecretory Cells and their Hormones Kopec was the very first to suggest the role of hormones in controlling metamorphosis. On the base of his experiments on the lar
D-glucose differs from D-galactose only in the arrangement around carbon 4. Therefore D-glucose and D-galactose are- Select one: a. enantiomers b. epimers c. mirror ima
Protozoans are a group of animal protists of more than 50,000 species and are found under almost all natural conditions where there is moisture. A protozoa11 is not as simple an or
Cold Chain System Vaccines are sensitive to heat. On exposure to heat their potency is lost. Once a vaccine has lost its potency it cannot be regained, so it is important
Explain about the Bulimia Nervosa? Bulimia Nervosa, as you may recall studying earlier, is a disorder characterized by episodes of binge eating or very rapid intake of large am
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Ask question #Minimum 100 words accepted Which gas is essential for pjoto synthesis
Determine the Occurrence of vitamin A In the vegetable kingdom, vitamin A probably occurs in the form of its provitamins which belong to the group of carotenes. Carrots, spina
What are cnidocytes? What is the name of the capsule inside the cnidocyte? What are the biological functions of this structure? Cnidocytes are specialized cells present in coel
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