Multiple Choice
How does bacteriorhodopsin couple photoexcitation with proton pumping?
A) Bacteriorhodopsin has a proton channel domain.
B) Bacteriorhodopsin makes the membrane porous to protons.
C) Light-induced conformational changes of retinal cause the protein to extrude one proton.
D) All of the above.
E) None of the above.
Correct Answer:

Verified
Correct Answer:
Verified
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