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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.
Q. If a fragment of nucleic acid has a nucleotide sequence TAC can one assert that it is an anticodon or a codon? A nucleic acid having a TAC sequence surely is not tRNA it is
Assortment is a method in which the meiosis produces new combinations of the genetic information. The paternal and maternal chromosomes line up randomly during the process of syna
who is the father of science
How are roots affected by water? Grow some seedlings in single end of a glass dish or pan. When they are about 5 cm tall start watering them on one side only and a little dista
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Which of the following structures in a vertebrate with a four-chambered heart would have blood with the highest oxygen concentration? And why?
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In how many categories nutrients are divided? The nutrients are grouped into three categories: 1) Energy Yielding: Carbohydrates and fats produce energy in the body. 2) B
Explain Total Anomalous pulmonary Venous Connection (TAPVC) ? In this congenital anomaly there is no direct communication between the pulmonary veins and the left atrium. All
GRE stands for the Glucocorticoid Response Element: The binding site in a promoter to which the activated glucocorticoid receptor can be bind. The glucocorticoid receptor is signi
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