Read the following statements (a-e) and choose the suitable option w.r.t. respiration a. A series of slow step-wise reactions controlled by enzymes. b. Breaking of the C-C bonds of respiratory substrates through oxidation within the cells. c. Liberation of energy. d. Breakdown of complex molecules to yield energy which takes place in mitochondria only. e. Carbon skeleton produced during respiration is not used as precursor for cellular biosynthesis of other molecules.
