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(3.7) Suppose the intracellular pH of an alkaliphile is 8.5 but the extracellular environment is at pH9.5. The cellular membrane of the bacterium has an electric potential of Af = –190 mV. How many c-subunits must the alkaliphilic ATP synthase have for it to work as an ATP synthase rather than proton pump? Assume that the free energy change for the phosphorylation of ADP to ATP is AFp = + 50 k]/mol.

(3.7) Suppose the intracellular pH of an alkaliphile is 8.5 but the extracellular environment is at pH9.5. The cellular membrane of the bacterium has an electric potential of Af = –190 mV. How many c-subunits must the alkaliphilic ATP synthase have for it to work as an ATP synthase rather than proton pump? Assume that the free energy change for the phosphorylation of ADP to ATP is AFp = + 50 k]/mol.

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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(3.7) Suppose the intracellular pH of an alkaliphile is 8.5 but the extracellular environment is at pH9.5. The cellular membrane of the bacterium has an electric potential of Af = -190 mV. How many c-subunits must the alkaliphilic ATP synthase have for it to work as an ATP synthase rather than proton pump? Assume that the free energy change for the phosphorylation of ADP to ATP is AFp = +50 kJ/mol. Answer:
Transcribed Image Text:(3.7) Suppose the intracellular pH of an alkaliphile is 8.5 but the extracellular environment is at pH9.5. The cellular membrane of the bacterium has an electric potential of Af = -190 mV. How many c-subunits must the alkaliphilic ATP synthase have for it to work as an ATP synthase rather than proton pump? Assume that the free energy change for the phosphorylation of ADP to ATP is AFp = +50 kJ/mol. Answer:
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