Although most metabolic reactions are freely reversible,a few irreversible catabolic steps are bypassed during biosynthesis with special enzymes that catalyze the reverse reaction in order to allow for independent regulation of catabolic and anabolic pathways.

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This statement is true. The use of special enzymes that catalyze the reverse reactions of certain irreversible catabolic steps allows for independent regulation of catabolic and anabolic pathways during biosynthesis.

Although Most Metabolic Reactions Are Freely Reversible,a Few Irreversible Catabolic