MICROANATOMY

Detailed explanation-1: -While most aerobic respiration (with oxygen) takes place in the cell’s mitochondria, and anaerobic respiration (without oxygen) takes place within the cell’s cytoplasm.

Detailed explanation-2: -Glycolysis. Glycolysis, the process of converting glucose into pyruvate, is the first step of cellular respiration. In contrast to every other pathway of cellular respiration, glycolysis occurs in the cytoplasm of the cell. It is the only step to occur outside of the mitochondria.

Detailed explanation-3: -Glycolysis occurs in the cytosol of the cell and does not require oxygen, whereas the Krebs cycle and electron transport occur in the mitochondria and do require oxygen.