When the compost is in the environment and the proper temperature, microflora, it will grow rapidly, with both driving the enzymes off the cell to degrade plant debris.
When the compost in the environment and the proper temperature, microorganisms are growing quickly, driven out of the cells to enzyme degradation of plant debris.
When the compost in the environment and the appropriate temperature microorganisms also grows quickly and drive out the enzyme cells to digest plant debris.