ATP: (i) Has high energy containing first phosphate bond. (ii) Is produced by oxidative phosphorylation and photophosphorylation. (iii) Acts as energy mediator in the cell. (iv) Has low energy containing second and third phosphate bond.

• A. (i),(ii) and (iii)
• B. (i) and (ii)
• C. (ii) and (iv)
• D. (i) and (iii)