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Explain the Microscope?
Microscope is a powerful and crucial basic tool in the field of microbiology. Microbiology, as we have already studied in our theory Course, is the science dealing with the organisms too small to be seen with unaided eye. The existence of microbial life to the world was introduced first by Antony Van Leeuwenhoek in 1673, with the help of simple, crude, self-made, single-lens microscope having a magnification of about 300.
Over the years, microscopes have evolved to increase the magnification several thousand fold. Modern day microscopes are either light microscopes or electron microscopes. Light microscopes use either visible light or ultraviolet rays to illuminate specimens. These are generally used to look at intact cells. On the other hand, electron microscopes use electron beams instead of light rays and electromagnets instead of lenses. These are generally used to look at internal structures or details of cell surface.
When toxic substances enter lakes, streams, rivers, oceans and other water bodies, they get dissolved or lie suspended in water. This causes pollution of water bodies, which degrad
That is eutrophication? Explain with reference to aquatic ecosystem. or Name any two source organisms of agar. List any four areas in which agar has wide application.
Define the Techniques of Instrument Retrieval Endo Extractor (Brasseler) a. Hollow tube bonded to coronal tip of separated instrument by cyanoacrylate adhesive, with
TECHNIQUE OF ASSESSMENT OF GROWTH AND DEVELOPMENT Measurement of physical growth in children is a key element in evaluation of the health status of children. Physical grow
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Surgical Therapy The clinician may use a surgical approach when non-surgical therapies are not indicated or are unsuccessful. The surgical techniques are modified from those
Describe the Frequency of low-risk coronary patients? For many low-risk coronary patients, particularly those following myocardial revascularization procedures, rehabilitation
How in the respiratory chain do electrons from FADH2 and NADH2 passing through cytochromes liberate energy for the ATP synthesis? What is this ATP synthesis called? FADH2 and N
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Zone of Polarizing Activity (ZPA) The A-P axis is the 1 st axis to be fixed in the presumptive limb mesoderm at a very early stage. On the basis of results of a series of cur
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