AP BIOLOGY

Detailed explanation-1: -Our muscle cells can undergo this process when they are in oxygen debt. If enough oxygen is not present to undergo aerobic respiration, pyruvate will undergo lactic acid fermentation.

Detailed explanation-2: -Muscle cells also carry out lactic acid fermentation, though only when they have too little oxygen for aerobic respiration to continue-for instance, when you’ve been exercising very hard.

Detailed explanation-3: -Lactic Acid Fermentation However, after prolonged exercise, you may “run out of breath; ” you may not be able to take in as much oxygen. In the absence of oxygen, the process of lactic acid fermentation replaces cellular respiration in your body’s muscle cells.

Detailed explanation-4: -Lactic acid fermentation is common in muscle cells that have run out of oxygen.

Detailed explanation-5: -Lactic acid fermentation is a type of anaerobic respiration (or fermentation) that breaks down sugars to produce energy in the form of ATP. It is called anaerobic because it occurs in the absence of oxygen. Lactic acid is generated as a byproduct of this reaction, which is what gives this type of fermentation its name.