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Scanning Electron Microscopy (SEM)While 'TEM is useful to study the internal structul-c of thc ccll. SEM is an important technique if you wish to examine the surl'ace features of the specimen. Moreover, a specimen can be viewed at different angles. The resolving power of a SEM is lower than that of a TEM since a resolution of only about 3.0 nm can be attained hy SEM.In a SEM, a low energy beam of electrons (primary electrons) strikes the surface of a specimen. This causes the emission of the secondar!, electrons from the specimen which are gathered by a photonlultiplier tube to form an image which is built up line by line as in the case of television. The image forlncci by SEM has a three-dimensional appearance. Unlike -in a TEM, the electrons in a SEM do not pass through the specimen.
What is complete transposition of arteries? Complete transposition of the great arteries (dTGA): The atria and ventricles are connected appropriately i.e., the right atrium dra
When the product of a metabolic pathway decreases the rate limiting earlier in the pathway it is called?
Q. Dietary Management fo oesophagitis? Providing adequate nutrition support may require emphasis of different aspects during acute and chronic oesophagitis. In acute phase,
Q. Can you explain about Ventriculography? Cardiac ventriculography is a diagnostic test, i.e., used to define the anatomy and function of the ventricles (left and right) and r
Problem 1: "Structural Genomics aims at determination of the 3D structure of all proteins". Describe with techniques Show genomic techniques for determination of 3D struc
Assessment For assessment of clinical manifestation of the disease you need to understand three stages of clinical course of the disease which are as follows: Prodromal
Q. Discuss the advantages of implant supported maxillo-facial prosthesis. Maxillofacial Prosthodontics involves the prosthetic rehabilitation of patients with congenital or acq
E s o pha g e a l obstruction It is also known as choke. It may be acute or chronic and is characterized by inability to swallow, regurgitation and bloat. E t
Q. What are the phases into which photosynthesis is divided? Photosynthesis is divided into the photochemical phase or light reactions and the chemical stage.
Determine the Neuropsychological assessment Neuropsychological assessment typically involves the functional areas of general intellectual capacities; memory; speed and accurac
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