Dr. Dinesh: Your Academic Support System

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Sucrose (glucose + fructose) and Trehalose (glucose + glucose) are non reducing disachrides

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Group of Cells from common origin arganised to perform a specific function is called as tissue. Tissue is intermediate between cell and organ.

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Nitrogenous base is attached to pentose sugar at second position

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The purine and pyrimidine bases are covalently attached to the pentose sugar ring at the 1’ position. The sugars attach to the nitrogen bases at the 1-position of the pyrimidines and at the 9-position of purines. The bond that is formed between the sugar molecules and the nitrogen bases is known as the glycosylic or glycosidic bond. See two sentenses are different in first:- position is of pentose suger where base attaches it is 1st. (What you asked) In second: i told that it is position of base ataching to sugar. 1st in case of pyrimidine and 9th in purine

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Pancreatic hormone: 1) insuline most importanr and secreted by beta cell. 2) glucagon from alfa cell 3) somatostatin from delta cell.