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10 Cards in this Set
- Front
- Back
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transition-state species
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A short-lived, unstable intermediate with high potential energy in a chemical reaction
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systems biology
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the study of an organism as an integrated and interacting system of genes, proteins, and biochemical reactions.
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substrate
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The molecule or molecules on which an enzyme exerts catalytic action
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regulatory subunit
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The polypeptide in an enzyme protein with quaternary structure that does not contain the active site, but instead binds non-substrate molecules and changes its structure, in turn changing the structure and function of the active site
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prosthetic group
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Any nonprotein portion of an enzyme
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potential energy
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"Stored" energy not doing work, such as the energy in chemical bonds.
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metabolism
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The sum total of the chemical reactions that occur in an organism, or some subset of that total
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noncompetitive inhibitor
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An inhibitor that binds the enzyme at a site other than the active site
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kinetic energy
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The energy associated with movement
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isozymes
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Enzymes that have somewhat different amino acid sequences but catalyze the same reaction
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