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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 Metabolism of Iron? In this sub-section, we will study how body gets its iron supply, how iron is transported and utilized by the various tissues and how iron balance i
Q. What is tertiary structure of a protein? What are the major types of tertiary structure? The tertiary protein structure is a spatial conformation additional to the secondary
In which of the following functional groups ionization is stabilized by resonance? Select one: a. Carboxyl b. Hydroxyl c. Amine d. Aldehyde e. All of the above
a) The image above is part of a DNA sequencing gel. Assuming this is the DNA coding strand and you are reading 5' -> 3' what are ALL the possible polypeptides this sequence cou
Inhalation Route for Injection Therapies that can be administered by inhalation are oxygen, humidification-cool mist and steam, administering local medication. The commonly u
Explain process of Selection of taxonomic characters Selection of taxonomic characters Eventually classification systems may be based almost entirely on direct study of th
Q. How are the excretory systems of the three major arthropod classes constituted? In crustaceans a pair of excretory organs called green glands exists, the green glands collec
This process involves the regulation of the concentration of the body fluids through control of water content and salt content of the blood. If a person loses water from their bloo
For an individual having a genotype formed of two different alleles that condition different varieties of the same phenotypical trait, upon what will the phenotypical feature actua
Blastocyst is the developmental stage of fertilized ovum by the time it is prepared to implant; formed from morula and comprises of an internal cavity, an inner cell mass, and an
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