Answer:
Maintenance or homeostasis would be common in life-functions and enzymes.
The basic goal of different life functions is to maintain a balance for well being of an individual and thus maintenance of life.
Similarly, enzymes function in order to reach equilibrium between the reactant and the products.
Substrate and products are common terms used in both chemical equation and enzymatic reaction.
In both specific substrates are converted to respective products.
Enzymes work as a catalyst and increase the rate of a biochemical reaction.