AP BIOLOGY

Detailed explanation-1: -Fermentation is making ATP without oxygen, which involves glycolysis only. Fermentation recycles NAD+, and produces 2 ATPs. In lactic acid fermentation, pyruvic acid from glycolysis changes to lactic acid. This type of fermentation is carried out by the bacteria in yogurt, and by your own muscle cells.

Detailed explanation-2: -An important way of making ATP without oxygen is called fermentation. It involves glycolysis but not the other two stages of aerobic respiration. Many bacteria and yeasts carry out fermentation. People use these organisms to make yogurt, bread, wine, and biofuels.

Detailed explanation-3: -Without oxygen, some human cells must use fermentation to produce ATP, and this process produces only two molecules of ATP per molecule of glucose. Although fermentation produces less ATP, it has the advantage of doing so very quickly.

Detailed explanation-4: -Fermentation can occur in the absence and presence of oxygen both. In the presence of oxygen, it is called aerobic fermentation. It occurs at the beginning of the fermentation process and is an intense and quick phase.

Detailed explanation-5: -Fermentation only produces two ATP per glucose molecule through glycolysis, which is much less ATP than cellular respiration.