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Proteins: Classification, Structure, Chemical Nature and Biological Importance of Proteins
Introduction Proteins are complex, naturally occurring polymers of amino acids held together by peptide bonds. They are crosslinked between chains by sulfhydryl bonds, hydrogen bonds and van der wall forces. Proteins have highly complex chemical composition than any other biologically active compound. Proteins are made up of 20 alpha amino acids. Proteins comes in many…
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Lipids: Classification, Chemical Nature and Biological Importance
Introduction Lipids are fatty organic compounds which make up the building blocks of structure and function of cells of living organisms. Lipids are insoluble in water and soluble in nonpolar solvents. Like other biomolecules lipids also plays an important role in human life and other living organisms. Lipids serve various functions in biological systems, including…
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Carbohydrates: Introduction, Classification, Chemical Nature and Biological Importance
Introduction Carbohydrates or carbs are the biomolecules containing sugars, starches and fibres found in some foods. Chemically carbohydrates are polyhydroxy aldehydes or ketones, or compounds derived from their hydrolysis. Carbohydrates generally contain carbon, hydrogen and oxygen. The general formula for Carbohydrates is Cn(H2O)n. Where n is number of carbon atoms. Carbohydrates are also known as…
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Introduction to Biomolecules
Introduction Biomolecules plays an important role in development, support and reproduction of living organisms. The human body is composed of trillions of cells that performs the essential functions of life. To perform these functions cell takes help from several organic molecules. These organic molecules are known as biomolecules. Biomolecules presenting wide ranges of sizes and…
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