metabolic pathway
This term is a technical compound noun used primarily in biochemistry and molecular biology. It describes a sequential chain of reactions, emphasizing the interconnectedness of enzymes and substrates. The term carries a neutral, scientific register and is rarely used outside of academic, medical, or laboratory contexts.
Because it refers to a specific biological mechanism, it is treated as a countable noun. Researchers often discuss multiple pathways (e.g., the citric acid cycle versus the pentose phosphate pathway) to explain how a cell manages different energy needs or synthesizes various macromolecules.
Meanings
A series of linked chemical reactions occurring within a cell, where the product of one reaction serves as the reactant for the next, collectively facilitating a specific biological transformation.
The glycolysis metabolic pathway converts glucose into pyruvate to produce energy.