03LargeMolecules1-1

03LargeMolecules1-1 - Lecture 3 Buffers and Large Molecules...

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Lecture 3 Buffers and Large Molecules 1: Sugars
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Buffers make the overall solution resistant to pH change, because they react with both added bases and acids . A solution of a weak acid and its conjugate base is a buffer. For example, the weak acid acetic acid and its conjugate base sodium acetate added at equal concentration to water. Buffers
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Properties of Molecules CH 3 COOH CH 3 COO + H + 50% 50% 99% 1% Buffers illustrate the law of mass action : Addition of reactants accelerates the reaction. Likewise, removal of products accelerates the reaction (towards the right side).
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Properties of Molecules Functional Groups They give specific properties to molecules
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Some Functional Groups Important to Living Systems Properties of Molecules carbonyl
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Some Functional Groups Important to Living Systems PO 4 2-
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Proteins, nucleic acids, and carbohydrates are called macromolecules, because they can form huge polymers Large Molecules
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Macromolecules are made the same way in all living things, and are present in all organisms in
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03LargeMolecules1-1 - Lecture 3 Buffers and Large Molecules...

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