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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 venous pulsation? Venous Pulsation: Normally the jugular venous pulsation faithfully reflects the pressure changes in right atrium. It is described as a, x, c, x, v, y,
The aim of earthquake-resistant structure designing The main objectives of earthquake resistant structures are as follows: (i) To avoid loss of lives due to the destruct
What are the Elements of Heredity and variations?
What are age pyramids? Age pyramids are graphical representations in form of superposed rectangles every representing the number of individuals contained in age ranges into whi
what are the some examples of phlum protoza?
what is surrogate motherhood
New advancements and discoveries related to oogenesis
Explain Healthy nutrition There is no doubt that adoption of Healthy nutrition lifestyle and the practice of good nutrition habits would help eliminate many health problems ca
What are the possible sources of human embryonic stem cells? Embryonic stem cells can be derived from individual cells of an early embryo, from blood cells in the umbilical co
Giardia – Flagellates Giardia intestinalis inhabits the intestine of man. It has the distinction of being probably the first parasitic protozoan to be seen by Antony Van Leeuw
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