This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory Chain, Subject name: Biochemistry
Which of the following is not true regarding ETC- 
Select and explain. 
A. Occurs in mitochondria, B. Generates ATP, C. No role of inorganic phosphate, D. Involves transport of reducing equivalent
C: No role of inorganic phosphate
Answer: C: No role of inorganic phosphate 
Explanation: Ans. is 'c' i.e., No role of inorganic phosphate o Inorganic phosphate (Pi) is required in ETC to generate ATP.ADP + Pi -- ATPo ETC occurs in mitochondria and involves transfer of reducing equivalent to generate ATP.