22. Mention the important series of events of aerobic respiration that occur in the matrix of the mitochondrion and the inner membrane of the mitochondrion.

Solution:

i) Citric Acid Cycle/ Tricarboxylic acid cycle: It occurs in the mitochondrial matrix of the cell.

ii) Electron transport system/oxidative phosphorylation: This takes place in the cell’s inner mitochondrial membrane.