This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Membrane Structure & Function, Subject name: Biochemistry
[{'content': 'Storage form of free eneragy in the cell - \nSelect and explain. \nA. Creatine phosphate, B. ATP, C. NADH, D. G-6-P', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., ATP o For a biological reaction to proceed in forward direction, free energy (DG) should be less than 0.o Many biological reactions (such as synthesis of macro molecules) are thermodynemically unstable, i.e. their free energy (DG) > 0.o In order for such reactions to proceed, addtional source of energy is required.o ATP plays a central role by acting as a store offree energy with in the cell. Hydrolysis of ATP provides a significant free energy for such reactions.", 'role': 'assistant'}]