According to the binding change mechanism, about how many protons pass through the F0 subunit with every 120º turn, and how many ATPs are synthesized by the ATP synthase complex for every 360º turn? Choose one:9, 13, 13, 39, 3
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This mechanism describes how ATP is synthesized as protons flow through the F0 subunit of ATP synthase. Show more…
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Recall that the number of c subunits in the c ring appears to range between 8 and $14 .$ This number is significant because it determines the number of protons that must be transported to generate a molecule of ATP. Each 360 -degree rotation of the $\gamma$ subunit leads to the synthesis and release of three molecules of ATP. Thus, if there are 10 c subunits in the ring (as was observed in a crystal structure of yeast mitochondrial ATP synthase), each ATP generated requires the transport of $10 / 3=3.33$ protons. How many protons are required to form ATP if the ring has 12 c subunits? $14 ?$
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How many protons does it take to make ATP through F0F1 ATPase (ATP Synthesis)? A. 12 protons to turn rotor 1 time to make 1 ATP B. 4 protons to turn rotor 1 time to make 1 ATP C. 12 protons to turn rotor one time to make 3 ATP D. 4 protons to turn rotor 3 times and make 3 ATP
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