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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.
Describe in detail - Nacreous layer. The innermost of the three layers of a mollusc shell. It is also referred to as mother-of-pearl, it comprises thin layers or calcium carbon
How can the fact that fishes and dolphins have similar organs and similar general shape be explained? Dolphins and Fishes have similar organs and shape because although they ha
State the various aspects of functioning of neuropsychological The MSE deals with questions concerning the addressee's Consciousness, Emotional State, Thought Content and Clar
Q. What is Working Memory? Working Memory: It has often been suggested that memory does not always work in three stage sequence and the model of memory system comprising of sen
Assume that your yard has many tall trees that result in about fifty percent of the yard being shaded and fifty percent of the yard being exposed to full sun. The shaded areas and
What is the heterotrophic hypothesis on the origin of life? As per to the heterotrophic hypothesis the first living beings were very simple heterotrophic organisms that is not
a) Mention the name of the causal organism, symptoms and the mode of transmission of the disease Amoebiasis b) Mention the property that enables the explants to restore into a n
What are cotyledons? Cotyledons, or seed leaves, are structures formed by the embryo of angiosperms to absorb nutrients from the endosperm and to keep and transfer these nutrie
WHAT ARE SOME INFORMATION ABOUT HUMAN ZOOLOGY?
Define Importance of Nutrition in Human Body? Nutrition is increasingly being recognized as an important determinant, which modulates the biological process of ageing. Poor nut
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