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dissociation
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dissociation

In chemistry, the process whereby a single compound splits into two or more smaller products, which may be capable of recombining to form the reactant.

Where dissociation is incomplete (not all the compound's molecules dissociate), a chemical equilibrium exists between the compound and its dissociation products. The extent of incomplete dissociation is defined by a numerical value (dissociation constant).
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This situation is formalized by the following reaction scheme: [ILLUSTRATION OMITTED] (1) Formation of the ternary complex EAB requires the presence of separate binding sites for both substrates A and B on the enzyme molecule, and affinity of the free enzyme for these substrates can be characterized by the dissociation constants [K.
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Figure 4 gives the variation of the apparent dissociation constant [pK.
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