what are the two types of fermentation and how are they different?
The two most common types of fermentation are (1) alcoholic fermentation and (2) lactic acid fermentation. (1) Alcoholic fermentation : the type of fermentation in which ethyl alcohol is the main end product . ... Lactic acid bacteria can ferment milk sugar lactose (C12H22O11) to lactic acid. The process is extracellular.