Enzymes are protein molecules that can be defined as biological catalysts. A catalyst is, “A molecule which speeds up a chemical reaction but remains unchanged at the end of the reaction“.Virtually every metabolic reaction which takes place within a living organism is catalyzed by an enzyme and enzymes are therefore …
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Properties of water Most of the unique properties of water are ascribed to the H bond formed between polar water molecules. The two H atoms are angled at 105° in a water molecule (?). 1. Surface tension Surface tension results due to forces of attraction existing between the molecules …
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Polysaccharides are polymeric carbohydrate molecules composed of long chains of monosaccharide unit bound together by glycosidic linkage. Example: starch, glycogen, cellulose, chitin etc. Characteristics of polysaccharide On hydrolysis, they yield monosaccharide units which are usually similar. D glucose is the commonest component of polysaccharide. They have high molecular weight. They …
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All of us might have heard about nicotine, cocaine and morphine. These are some bad world’s words that we always keep us away from. However, in biochemistry, a beautiful science where every natural compounds are discussed, these bad words along with some beauties have taken a very special sub-field known …
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Plantlet The Blogging Platform of Department of Botany, University of Dhaka