Answer:
Chain of enzyme reaction that break down or build molecules are called as metabolic pathways.
Step-by-step explanation:
Metabolic pathways are enzymes which regulates the chemical process. Metabolic pathways are chemical reactions which stimulates a cellular process in the cell.
Usually proteins help these metabolic reactions to take place in a cell. Proteins are necessary for any enzyme to work appropriately.
For any cellular process to work catalysts are important. They need a nudge and a push for the process to happen adequately.