Digestion of starch begins in the mouth with the chewing of food (mastication) and the production of amylases immediately breaking down certain starches. The lining of the stomach produces hydrochloric acid (HCl). This acidic environment is critical for helping eliminate unwanted bacteria as well as initiating the digestion of proteins. <span>The small intestine is specifically designed to maximize the digestion and absorption process. The majority of carbohydrate digestion occurs in the small intestine. It is here that disaccharides (sugars composed of two monosaccharides) like sucrose, maltose, and lactose are broken down into monosaccharides, which are then absorbed directly into the cells that form the intestinal lining.
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Meristematic tissue contains actively dividing cells that result in formation of other tissue types (e.g. vascular, dermal or ground tissue). Apical meristematic tissue is found in buds and growing tips of plants.
These are large molecules which are formed from the union of many monosaccharides units through condensation. Excess glucose in the body is stored in form of glycogen and can be hydrolyzed when glucose levels go down. Glucagon stimulates liver cells to break down glycogen into glucose.
