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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.
Signify the term - Trachea Part of the respiratory system in insects, vertebrates and some spiders. In invertebrates it comprise tubules carrying air directly from outside to t
The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons? 1. Cotyledon 2. Endosperm 3. Aleurone layer 4. Plum
Which statement is true of the energy levels of electrons in shells? A) All the electrons in an atom have similar amounts of energy. B) Electrons must lose energy to move from the
Amino Acids and Peptide Bonds, Protein Structure - The graduate can construct models of the structure and function of amino acids and peptide bonds, predict ionization of an amin
What is the functionality of Lungs in human biology? The right lung consists of three lobes, and the left lung, two lobes. Both lungs hold between 5 to 6 L of gas, called the t
excretory product of marine teleost
Define Nutrition Screening Initiative (NSI)? (NSI) tries to identify basic risk factors - inappropriate food intake, poverty, social isolation, disability, acute / chronic dise
main external morphological feature that differentiates platyhelminthes from nematodes
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Define Pipette - Nutritional Biochemistry? Pipettes are used to deliver a known volume of liquid from one container to another. They are precision instruments of measurement an
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