Question

which of the following accurately describes fermentation

Answer 1

Fermentation is a metabolic process that converts sugar to acids, gases, or alcohol. It occurs in yeast and bacteria, and also in oxygen-starved muscle cells, as in the case of lactic acid fermentation.

Answer 2

The chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and giving off that heat.

No choices given so here is the definition.