Meaning & History. Derived from Latin leo meaning lion, a cognate of LEON. It was popular among early Christians and was the name of 13 popes, including Saint Leo the Great who asserted the dominance of the Roman bishops (the popes) over all others in the 5th century. It was also borne by six Byzantine emperors and five Armenian kings.
Yeast is a good example of an organism that undergoes alcoholic fermentation. The same process that goes on in the mitochondria during lactic acid fermentation also happens in alcoholic fermentation. The only difference is that the byproduct of alcoholic fermentation is ethyl alcohol.
Yeast use sugar during fermentation (anaerobic respiration) to convert monosaccharides into carbon dioxide and ethanol. Yeast cells were tested for their effectiveness in utilizing a variety of sugars for fermentation.east use sugar during fermentation (anaerobic respiration) to convert monosaccharides into carbon dioxide and ethanol. Yeast cells were tested for their effectiveness in utilizing a variety of sugars for fermentation.