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Explain Differential Staining Technique?
It divides bacteria into separate groups based on staining properties, like Gram's stain, Acid-fast stain etc. Here 2 or more contrasting stains are used. It is also used to visualize cell structures, like flagella stain, capsule stain, spore stain, etc. In differential staining at least 3 chemical reagents are used. First stain is called the primary stain and it imparts colour to all the cells. Second reagent is called decolourizing agent which may or may not remove the colour of the primary stain from the entire cell or part of the cell, depending upon the chemical composition of the cell. Third reagent is called the counter stain which has a contrasting colour to primary stain and does impart colour to the those cells or their parts which are decolourized by decolourizing agent. Cells which retain the primary stain cannot absorb the counter stain. In this way, cell types or their structures can be distinguished from each other on the basis of the stain that is retained. In some cases, another chemical reagent called mordant is also used to increase cell's affinity for a stain.
Brasseler Endo Extractor tube Insert H file buccally and lingually and remove silver by friction.If I can't remove use solvent to desolve cement If the tip of silver not appear
Explain Objective Anti-arrhythmic pacemaker defibrillators? After reading this unit, you should be able to: 1 describes the classification of ant arrhythmic drugs; 2 understand
Describe the concept of soil testing Different grades of complex and mixed fertilizers are being marketed to suit the soil and crops of a region. The recommendations are made o
Define Advantages for underwater weighing method? This method is currently considered the "gold standard in percent body fat measurement (with the coming up of DEXA, the de
Q. What are Zoonotic Diseases? The World Health Organization defines Zoonoses (Zoonosis, sing.) as "Those diseases and infections, which are naturally transmitted between verte
Rat physical characteristics
Excretion in Protozoans Excretion of metabolic wastes is dope almost exclusively by diffusion. All protozoans are ammonotelic i.e., the end product of their nitrogen metabolis
Four major groups of lipoproteins help in transport of lipids. These include: 1. Chylonzicrons-function is to carry dietary triacylglycerols 2. Very low density lipoprot
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Auxiliary Food Chains In addition to grazing and detritus food chains there are other auxiliary food chains operated through parasites and scavengers. Some parasitic food chai
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