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Explain the Role in Insulin Formation?
You are aware that insulin receptors are present in many cells with their concentration being highest in adipocytes (cells present in adipose tissue) and hepatocytes (liver cells). You also know that insulin receptor has two extracellular alpha-subunits and two extracellular beta-subunits. It is the alpha-subunit to which insulin binds. Once insulin binds to the alpha-subunit of the receptor, a specific phosphorylation of the beta-subunit occurs through a cascade of phosphorylation reactions. This leads to increased insulin sensitivity. The enzyme partly responsible for this phosphorylation is the 'insulin receptor tyrosine kinase'. This enzyme is activated by chromium. In rats, removal of chromium has been shown to result in the loss of kinase-potentiating activity. Besides activating the kinase, chromium also inhibits phosphotyrosine phosphatase-an enzyme responsible for inactivation of insulin receptor. The activation of 'insulin receptor tyrosine kinase and inhibition of 'insulin receptor tyrosine phosphatise by chromium would lead to an increased phosphorylation of the insulin receptor, which is associated with increased insulin sensitivity.
Q. Briefly explain about semantides? The information carrying molecules in plants are called semantides, and they have been recognised to be 3 kinds; deoxyribonucleic acid or D
Explain about the Functional Properties of Proteins? It may be clear by now that functionality (as implied to food ingredients) refers to 'any property aside from the nutrition
Assume you were given a mixture consisting of one molecule each of all possible sequences of a smallish protein of molecular weight 4800 daltons. If the average molecular weight of
The three main forms of fat found in food are glycerides (principally triacylglycerol [triglyceride], the form in which fat is stored for fuel), the phospholipids, and the sterols
On a given microscope, the numerical aperture of the objective is 1.5. The microscope is provided with a filter that selects a wavelength of 500 nm. What is the limit of resolution
point out the criticism of lamarckism in any six short points.
Say about thikka desease of ground nut
two inorganinc salts found in the body
What do you understand by Exoskeleton. Supporting structures of skeleton not surrounded by the body. Endoskeletal elements are secreted by an underlying epidermis and one side
Class Hirudinea - Classification of Coelom These are leeches. Number of body segments of these types of animals is fixed; usually there are 34 segments in a few groups there m
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