Assume that the concentrations of ATP, ADP, Pi ,H+ in the matrix of mitochondrio

Question

Assume that the concentrations of ATP, ADP, Pi ,H+ in the matrix of mitochondrion are constant and are 0.1 mM, 0.01 mM, 0.1 mM, and 10-8 M, respectively. The electropotential between the inside and outside is 300 mV (inside is negative). The pH gradient and electropotential energies can be used to synthesize ATP from ADP and Pi. What is the pH of outside (intermembrane space) of mitochondrion to maintain the same concentrations of ATP, ADP, Pi in the matrix?
a. 3   

b. 4     

c. 5     

d. 6     

e. 7

Explanation / Answer

?5

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