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Explain Counter Stain - Ziehl-Neelsen Method?
Methylene blue is used to stain previously decolourized cells. All non acid-fast bacteria de-stained by acid alcohol now absorbs counter stain and takes on its blue colour. All acid-fast bacteria remained red in colour due to primary stain.
Genus Mycobacterium shows acid fastness. These are aerobic, slightly curved or straight rods that sometimes branch or form filaments. These filaments readily break down into rods and coccoid bodies, when disturbed. Some grow very slowly. Some are free-living saprophytes and some are pathogens, e.g. M. bovis could cause tuberculosis in cattles, M. tuberculosis causes tuberculosis in humans, M leprae causes leprosy in humans. Acid-fast stain has a diagnostic value in identifying these pathogenic mycobacteria.
It is IgG mediated cytotoxic hypersensitivity. Typical manifestations contain erythroblastosis fetalis, hemolytic anemia, blood transfusion reactions etc.
Explain the Canal Obstruction File work shorter than the normal apical and feel a great resistance to reach true length. a. A retained instrument o Canal calcification b.
EXCRETIO N IN AMOEBA - NH 3 is excreted out through plasmalemma. Osmoregulation takes place by contractile vacoule, generally one, towards posterior end, contractile in
Cell structure and function All organisms, whether simple or complex, plants or animals. are composed of cells. For example, a bacterium or an amoeba is made up of just one cel
BRONCHOSCOPY: Bronchoscopy is the passage of lighted bronchoscope into the bronchial tree. Bronchoscopy may be performed with rigid steel of flexible fiberoptic instruments.
what are the function of nucleus
Cellular Respiration: General Formula For aerobic respiration (in the presence of O 2 ) C 6 H 12 O 6 + 6O 2 --> 6H 2 O + 6CO 2 + 36ATP (theoretical)
Explain about the Anti Obesity Drugs? The anti-obesity drugs can be classified into two broad groups as indicated in the Figure. Drugs must be taken only under Doctor's
what is atp explain in detail?
Q. What is the formula of the DPD for withered (shrunken) plant cells and how is that situation possible? Withered plant cells are those that have shrunk due to loss of water b
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