It is an enzyme controlled process of biological oxidation of food material in living cell, using molecular O2
producing CO2 and H2O and releasing energy which store as ATP.” The latter is also called energy currency.
Respiration is catabolic, oxidative and exergonic process. It is also called cellular respiration.
|C H||O||6||+ 6O||2||6CO + 6H||2||O + 686 K.cals/2867kJ.|
In prokaryotes, Respiration takes place in cytoplasm while in eukaryotes, it takes place in cytoplasm