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Explain the Scanning Electron Microscope
It can be used to observe intact cells or cell components directly. Then sections are not necessary. It is used for visualizing surface characteristics rather than intracellular structures. A narrow beam of electrons scan back and forth, producing a three-dimensional image as electrons are reflected off the specimen's surface.
Though a variety of optical instruments are available for routine laboratory work, compound bright field microscope is the one commonly found in all biological laboratories. Let us get to know the different parts of this microscope.
Define the Concept of Nutrition? Nutrition may be defined as the science of food and its relationship to health. It is concerned primarily with the past played by nutrients in
SERENDIPIDIT Y - Sometimes discoveries are made unexpectedly matter of chance. This is serendipidity. Examples - 1. Structural formula of benzene - It was dreamt by
Anemophily - Cross-pollination It is also commonly referred to as wind pollination, i.e., the pollen grains are carried through wind currents. To ensure good pollination t
RADIOGRAPHY You have read in GNM courses about radiographical examination. In this text the discussion will be on the following radiographical tests. Chest Roentgenogram
Define Nutritional Needs during Pregnancy? It must be evident by now that several physiological changes occur in the body of an expectant mother and that malnutrition can' adve
Define the Features of Phylum Nematoda? Phylum characteristics of Nematoda which are the world's most abundant multicellular organisms are as follows: 1. Nematodes occur in
How light reaction effects Cell Metabolism ? Light reactions : The light reactions are carried out by two separate assemblies of several hundred chlorophyll molecules, acces
Explain Cardiac Type of TAPVC (Draining into Coronary Sinus) ? Initial steps of the operation are the same as described earlier. The right atrium is opened and the roof of the
Q. Do plants present only sexual reproduction? There are asexual forms of reproduction in plants few naturally detached pieces of root, leaves or limbs develop into another com
Several TCA cycle intermediates can be used as a substrate for the synthesis of other compounds. Succinyl CoA is on intermediate that is directly used for the synthesis of which of
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