Are You as Smart as a Second Year University Student?
My students love doing problems. 91% of them got this one right.
In a typical bacterial cell the membrane potential across the inner membrane is –0.15 V. The protonmotive force is –21.2 kJ mol-1 at 25°C . If the pH in the periplasmic space is 6.35 what is the pH in the cytoplasm?
a) between 6.40 and 6.69
b) between 6.70 and 6.99
c) between 7.00 and 7.29
d) between 7.30 and 7.59
e) between 7.60 and 7.89