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LIGHT MICROSCOPY (LM)A study of the structure of organisms is an essential requirement of biology. However, unaided human eye cannot see objects smaller than 0.1 mrn(100 p) in diameter. Therefore,various devices were discovered to increase his ability to observe minute structures. The knowledge of these devices is responsible for understanding structure and function of cellThe earliest microscopes had only one lens between the object and the eye and were, therefore, called simple microscopes. The modem microscopes, on the other hand have two lenses, the objective and the eye piece, in a series, to view an object. These are known as compound microscopes (Figure shown below).
With the help of a compound microscope one can view the objects at a very high magnification. However, the important property of a light microscope is not its magnifying power but its resolving power. Let us now explain the terms magnifying power and resolving power. The magnifying power of a microscope is its ability to show an enlarged 1 or magnified view of an object to the eye. The resolving power, on the other hand,represents the ability of the microscope to show the fine details in the object to the eye
Significance of Lingual nerve and artery Because the nerve lies medial to the retromolar pad, incisions in this region should remain lateral to the pad and mucosal reflection s
Studying leaf arrangements Observe as many growing plants as possible by looking down on them from above. Draw sketches of the dissimilar patterns of leaf arrangement.
Q. How are amino acids brought to the cellular site where translation takes place? What is an anticodon? Amino acids are brought to ribosomes by RNA molecules known as transfer
Explain about the Glycemic Index (GI)? In the previous sections, we have studied that some carbohydrates are rapidly digested and absorbed, some are digested slowly while some
Hepatitis B Vaccination against hepatitis B (Engerix-B - GlaxoSmithKline; Recombivax HB - Merck) is now a routine pediatric immunization in the US. It is recommended for previo
Which of the following processes help bring oxygen to the body cells that are in a leg? A. Net flux of oxygen from blood plasma into red blood cells in the body capillaries in
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Fatty acid breakdown brings about the oxidation of long-chain fatty acids. The fatty acids are first transformed to their acyl CoA (coenzyme A) derivatives and then degraded by the
Myoglobin We can build up the structure of haemoglobin by considering a single unit or monomeric form caned myoglobin. This consists of a single polypeptide chain the globin i
what are the advances of cell biology
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