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Anatomy of Biological Reactions

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Terms in this set (8)

  • Enzyme

    a biological catalyst made up of protein or RNA. Enzyme name ends n "ase"

  • Substrate

    Reactant of an enzyme catalyzed reaction

  • Turnover number

    number of substrate molecules that are converted to product over a given time period

  • Cofactor

    Nonprotein substance that binds to the protein and is required for catalysis (in the active site) (trace metals: +2, Fe +2, Mn+2, Mg+2, Co+2, ZN+2)

  • Coenzyme

    Organic cofactors typically found in redox enzymes

    -subclass of cofactors

    -can be oxidized or reduced

    -in catalytic activity

    Ex. vitamins

  • Apoenzyme

    protein without its cofactor/coenzyme

  • Holoenzyme

    catalytically active enzyme (with its cofactor/ coenzyme)

    -protein + cofactor

  • Active site

    Pocket in enzyme where catalysis takes place