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The Chemistry of Lif3 - Proteins regulate chemical...

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The Chemistry of Life Water Water stabilizes body temperature, provides protection by acting as a lubricant or cushion, is necessary for many chemical reactions, and transports many substances. Organic Chemistry Organic molecules contain carbon atoms bound together by covalent bonds. Carbohydrates Carbohydrates provide the body with energy. Monosaccharides are the building blocks that form more complex carbohydrates, such as disaccharides and polysaccharides. Lipids Lipids provide energy (fats), are structural components (phospholipids), and regulate physiological processes (steroids). The building blocks of triacylglycerols (fats) are glycerol and fatty acids. Proteins
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Unformatted text preview: Proteins regulate chemical reactions (enzymes), are structural components, and cause muscle contraction. • The building blocks of proteins are amino acids. • Denaturation of proteins disrupts hydrogen bonds, which changes the shape of proteins and makes them nonfunctional. • Enzymes are specific, bind to reactants according to the lock-and-key model, and function by lowering activation energy. Nucleic Acids • Nucleic acids include DNA, the genetic material, and RNA, which is involved in protein synthesis. • The building blocks of nucleic acids are nucleotides, which consist of a sugar (deoxyribose or ribose), a nitrogen base, and a phosphate group.>>...
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