A mitochondrial membrane complex consisting of ATP synthase, adenine nucleotide

Question

A mitochondrial membrane complex consisting of ATP synthase, adenine nucleotide trnnsloca.se (ATP-ADP translocase). and phosphate translocase functions in oxidative phosphorylation. Adenine nucleotide translocase, an antiporter located in the inner mitochondrial membrane, moves ADP into the matrix and ATP out Phosphate translocase is also located in the inner mitochondrial membrane It transports H^+ ions and phosphate (H_2PO_4^-) ions into the matrix. The energy derived from the movement of H^+ ions down an electrochemical gradient from the intermembrane space into the matrix is used to drive the synthesis of ATP How many H* ions must be moved into the matrix for the synthesis of 1 ATP?

Explanation / Answer

For the synthesis of ATP in the mitochondrial membrane during oxidative phosphorylation

the number of H+ (protons) that needs to be moved into the matrix for the synthesis of 1 ATP

= 4 H+ ions/ATP

synthesized.

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