<P> Fermentation is a metabolic process that consumes sugar in the absence of oxygen . The products are organic 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 . The science of fermentation is known as zymology . </P>
<P> Fermentation is a metabolic process that consumes sugar in the absence of oxygen . The products are organic 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 . The science of fermentation is known as zymology . </P>
what is necessary for a substance to undergo fermentation
what is necessary for a substance to undergo fermentation
sugar in the absence of oxygen
sugar in the absence of oxygen