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.

Question

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. (A) b, c and e are correct (B) d and e are incorrect (C) Only d is incorrect (D) a and e are correct

Tardigrade Admin · Accepted Answer

For respiration, breakdown of molecules takes place in both cytoplasm and mitochondria. Carbon skeleton produced during respiration is also used for various cellular biosynthesis.