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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.
A decrease in blood plasma levels of parathyroid hormone A. occurs in response to an increase in the levels of calcium ions in blood plasma. B. leads to an increase in the a
Locomotory Structures Annelids possess three kinds of locomotory structures, namely parapodia, setae and suckers. Parapodia are segmentally arranged, lateral, hollow extensio
State the term in detail hydrostatic skeleton. Formed from a fluid-filled and closed cavity surrounded by a body wall comprising muscles oriented in different directions. Muscu
Which of the following structures in a vertebrate with a four-chambered heart would have blood with the highest oxygen concentration? And why? A. Arteriole end of a capillary B. Ri
Epilimnion - Summer Stratification This forms the upper layer of the lake and consists of freely- circulating warm water which is well lighted though poor in nutrients. Most o
Define the Utilization of Most Probable Number Techniques? The MPN technique (multiple tube technique) can be used to determine the presumptive coliform count in the food. The
Question 1: Mention the types of IRBs. If the IRB disapproves clinical study, can the sponsor approach another IRB? Justify your answer. Mention different types of IRBs
which is the molecular basis of inheritennce
Q. Write the meaning of Polydypsia? Increased Thirst (Polydypsia): As the patient is losing more water through excessive urination, the patient feels thirstier and tends to tak
Thiamine deficiency (hypothiaminosis) Thiamine deficiency is characterized by signs of nervous system. The primary thiamine deficiency is not common in animals. However, seco
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