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The cytosolic surface of the erythrocyte plasma membrane is covered through a network of peripheral membrane proteins which make up the cytoskeleton in the figure. The major parts of this cytoskeleton are spectrum that folds into a triple-stranded -helical coiled coil to produce long chains. The spectrin chains are tell to the plasma membrane by interactions with two other peripheral proteins, protein and ankyrin band 4.1. Ankyrin produces a cross- link between spectrin and the cytosolic domain of the integral anion exchanger band 3 protein, though band 4.1 promotes the binding of actin filaments to the spectrin chains connecting them to the cytosolic domain of glycophorin. The cytoskeleton gives the erythrocyte plasma membrane great strength and flexibility and is significant in maintaining and altering the shape of the cell. In the other mammalian cells the cytoskeleton has similar functions but consists of numerous other proteins and criss-crosses by the cytoplasm.
Q. How does the nervous system get information about the external environment, the organs and the tissues? Information about the conditions of the internal and external environ
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Phototropic curvature is the result of uneven distribution of : 1. Gibberellin 2. Phytochrome 3. Cytokinins 4. Auxin Auxin
Define Chain and Ring forms and anomerism? Many simple sugars can exist in a chain form or a ring form. The ring form is favoured in aqueous solutions, and the mechanism of rin
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Describe how the hypothalamus regulates the secretion of anterior pituitary hormones and identify all of the individual hypothalamic regulatory factors. Describe how the hypothalam
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