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Q. What are the respective functions of phospholipids, carbohydrates and proteins of the cell membrane?
Membrane phospholipids have a structural function they form the bilipid membrane that constitutes the cell membrane itself.
Membrane proteins have numerous specialized functions. Some of them are channels for substances to pass through the membrane, others are signalers and receptors of information, others are enzymes, others are cell identifiers (cellular labels) and there are still those that play a part in the adhesion complexes between cells or between the internal surface of the membrane and the cytosketeleton.
Membrane carbohydrates, associated to lipids or to proteins, are found in the outer surface of the cell membrane and they have in general labeling functions for recognition of the cell by other substances and cells for instance, they differentiate red blood cells in relation to the ABO blood group system immune modulation functions, pathogen sensitization functions, etc
The protein truncation test (ptt) gives an uncommon exception, targeting mutations that create shortened proteins, majorly premature translation termination. Ptt has various attrac
Define Harvard Step Test - aerobic capacity? In this test, the subject steps on and off an 18-inch platform at a rate of 30 times per minute. The evaluator records the subject'
In the previous section we discussed the concept of species in detail and concluded that the concept of biological species and Mayr's definition of species have a wide acceptance a
Explain Starch phosphates monoesters and Hydroxypropyl starches Starch phosphates monoesters Emulsifying agent and thickening agent. Hydroxypropyl starches
What is Etherification The act or process of making ether; specifically, the process by which a large quantity of alcohol is transformed into ether by the agency of a small am
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Explain some important phospholipids The chemical structure of phosphatidylcholine (lecithin) illustrated here in Figure is typical of the phosphatides found in the brai
Q. What are the various biological examples in which lysosomic enzymes play a fundamental role? The remodelation of the osseous tissue, the function of the elimination of the t
Q. Factors Affecting Water requirements of microorganisms? Factors that may affect aw requirements of microorganisms include: 1. Kind of solute employed to reduce the aw: F
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