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Biochemical Precursors

Meaning

Biochemical precursors are the fundamental, often simpler molecular compounds that participate as starting materials in a sequence of enzymatic reactions, culminating in the synthesis of more complex, biologically active molecules. In endocrinology, this term refers specifically to the base compounds required for the production of hormones, neurotransmitters, and other critical signaling agents. Cholesterol, for instance, serves as the essential precursor for the entire class of steroid hormones. These foundational molecules are vital for maintaining systemic homeostasis.