Answer:
PO Ratio is Phosphorylated ADP to Oxygen reduced ratio.
It depends on number of hydrogen ions transported across an electrochemical gradient and number of protons inward via enzyme ATP synthse.
For succinate 6H is moving out and influx of
one Oxygen atom(2e)=4H
So PO for succinate = 6H/4H = 1.5H
4 Carbon molecule is required to start krebs cycle. So 14 carbon can start 3 Krebs cycle and spare 2 carbon.
That is 4X3=12
14-2=12
But what ever be number of succinate PO ratio is a ratio and it will remain constant for a molecule.
18) Predict the P/O ratio for oxidation of succinate, if ATP synthesis contains 14 c subunits.
(1 of 5) Match the P/O ratio with the number of subunits in the c-ring: - D2.50 ATP/NADH A. 10 subunits A D 2.30 ATP/NADH B. 12 subunits B 2.00 ATP/NADH C. 14 subunits -- D 1.76 ATP/NADH D. 15 subunits - D 1.67 ATP/NADH E. 9 subunits
The rotor portion of the ATP synthase is composed of 10-14 subunits called "c subunits." As protons bind the rotor, on the intermembrane space side of the rotor, the rotor turns one subunit worth of distance. If the rotor of ATP synthase is composed of 10 c subunits, how many protons would be necessary to produce 6 ATP molecules?
Question 13 c. The az/B3 subunits catalyze the synthesis of ATP. Which activity of the A3/B3 subunits correlates with the open conformation?
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