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Define in brief about the term - MRI
MRI is a more recent development that was initially introduced as a rival to CT. The technique itself is complex, relying on measurement of the response of hydrogen atoms to radio waves in very strong magnetic field. The MRI scanner measures the tiny magnetic fields that the spinning hydrogen atoms produce, and since the density of hydrogen varies in different types of tissue, the scan data can be computer-processed to generate images. The entire brain can be imaged in successive slices, which can be produced in saggital (side), coronal (front) or horisontal transverse planes. The high resolution of MR images (in comparison with CT images) is a major plus point. A second advantage is that participants are not exposed to radiation sources.
Changes in the conformation of molecules - Qualitative Changes You may recall that linear chain of amino acids of a protein folds into a characteristic structure. Acidic resid
Explain Mental changes - clinical signs of kwashiorkor? You would find a kwashiorkor child to be unusually apathetic with absolutely no interest in the surroundings. The child
Q. Differentiate between sterilization and disinfection? 1) Sterilization is defined as freeing the object or substance from all life of any kind. It is the process by which a
Q. Special situations of Pulmonary Embolism? The CXR is often abnormal in pulmonary embolism. Atelectasis and other focal pulmonary parenchymal abnormalities are the most commo
Define Some Caution for Inoculating Loops and Needles? 1. Heat the inoculating wire till it becomes red hot. 2. Never use hot inoculating wire for culturing otherwise cells
Oligosaccharides are short chains of monosaccharides linked together by glycosidic bonds. In case of oligosaccharides linked to proteins (glycoproteins) or lipids (glycolipids) o
give a detail account of modes of locomotion in protozoa
Q What is the way of life of sponges? Sponges live exclusively in an aquatic environment and they are attached by their base to a substrate fixation ground. Sponges are filteri
SCOPE OF BIOLOGY- Present century is witnessing explosion of information in modem biology directly related to life and health. Issues like global warming, pollution, populat
Explain functional properties of protein hydrolysis Hydrolysis of food proteins using proteases (trypsin, chymootrypsin, papain and thermolysin) alters their functional propert
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