Protein Structure (monomers to polymers) – Flashcards
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amino acid
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Building blocks of protein (monomer)
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amine group
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the nitrogen-containing portion of an amino acid -NH2
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carboxyl group
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A functional group present in organic acids and consisting of a single carbon atom double-bonded to an oxygen atom and also bonded to a hydroxyl group -COOH
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carboxyl group
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A functional group present in organic acids and consisting of a single carbon atom double-bonded to an oxygen atom and also bonded to a hydroxyl group -COOH
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R group
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Amino acid side chain- different for each amino acid
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peptide bond
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The chemical bond that forms between the carboxyl group of one amino acid and the amino group of another amino acid
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dipeptide
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Two amino acids bonded together
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condensation reaction
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A reaction in which two molecules become covalently bonded to each other through the loss of a water
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hydrolysis
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Breaking down molecules by the chemical addition of water
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primary structure
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The specific sequence of amino acids making up a polypeptide chain.
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secondary structure
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level of protein structure consisting of beta pleated sheets and alpha helices
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tertiary structure
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3D shape of single polypeptide using hydrogen bonding, ioning bonding and disulphide bridges
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quaternary structure
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The shape resulting from the association of two or more polypeptide subunits.
