lect_3_-protein_nucleic_a - OBJECTIVES: Describe the...

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OBJECTIVES: Describe the versatility of carbon Describe the four main macromolecules important for life and their monomers and polymers Explain condensation and hydrolysis reactions Describe the different kinds of bonds and structures formed by macromolecules
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II. Macromolecules Four groups of macromolecules impt for life A. Proteins 1. made up of building blocks (a monomer) = amino acids (a. a.) -all a.a. have same basic structure -central carbon and three similar bonds -fourth bond (R group) different hydrophilic or hydrophobic
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A. Proteins 2. link many a. a. (monomers) together to get polymer -process of adding monomers is polymerization protein a. dehydration or condensation rxn building macromolecules b. hydrolysis rxn breaking down polymers
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A. Proteins 3. Peptide bonds = bond between carboxyl group and amino group of a. a. -water lost when bond formed 4. polypeptide chain = long chains w/ diff functional groups sticking out -directional (start at amino group carboxyl group) -can rotate around bonds
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A. Proteins 5. Structure - very diverse, but four levels of structural organization (Table 3.2)
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1. Proteins
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This note was uploaded on 11/20/2011 for the course BIOLOGY 101 taught by Professor Freeman during the Spring '11 term at Gustavus Adolphus College.

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lect_3_-protein_nucleic_a - OBJECTIVES: Describe the...

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