a compound made of amino acids linked by peptide bonds
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zwitterion
a dipolar ionic form of an amino acid that is formed by the donation of a hydrogen ion from the carboxyl group to the amino group and because both charges are present there is no overall charge
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isoelectric point
the pH value at which the amino acid exists as a zwitterion
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condensation reaction
reaction in which two small molecules react together to form a larger molecule with the elimination of a small molecule such as water
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hydrolysis
involves the breaking of a bond by reaction with water, can be catalysed by acid or alkali
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stereoisomers
species with the same structural formula but with a different arrangement of the atoms in space
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chiral carbon
a carbon atom attached to four different atoms of groups of atoms
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optical isomers
stereoisomers that are non-superimposable mirror images of each other
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repeat unit
the specific arrangement of atoms that occurs in the structure over and over again
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biodegradable polymer
a polymer that breaks down completely into carbon dioxide and water
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degradable polymer
a polymer that breaks down into smaller fragments when exposed to light, heat or moisture
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Other cards in this set
Card 2
Front
a dipolar ionic form of an amino acid that is formed by the donation of a hydrogen ion from the carboxyl group to the amino group and because both charges are present there is no overall charge
Back
zwitterion
Card 3
Front
the pH value at which the amino acid exists as a zwitterion
Back
Card 4
Front
reaction in which two small molecules react together to form a larger molecule with the elimination of a small molecule such as water
Back
Card 5
Front
involves the breaking of a bond by reaction with water, can be catalysed by acid or alkali
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