Overview of Enzymes
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Virtually all reactions in the body are mediated by enzymes, which are protein catalysts that increase the rate of reactions without being changed in the overall process.
Enzymes
OVERVIEW
Virtually all reactions
in the body are mediated by enzymes, which are protein catalysts that increase
the rate of reactions without being changed in the overall process. Among the
many biologic reactions that are energetically possible, enzymes selectively
channel reactants (called substrates) into useful pathways. Enzymes thus direct
all metabolic events. This chapter examines the nature of these catalytic
molecules and their mechanism of action.
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