Imagine a scenario is which 52 protons are pumped across themembrane of the inner mitochondrial membrane. If you assume thatthe glycerol-phosphate shuttle is used, and the overall yield ofsubstrate-level phosphorylations is 3, a. What specific startingmolecule in the metabolic pathways we studied would you start withto give such a yield of pumped protons and substrate levelphosphorylations? b. At what specific reactions (give the reaction,not just a “numberâ€) in the metabolic pathways would you yieldelectron carriers (and what “typeâ€), and how many of each of theelectron carriers would you make to give the total of 52 protons?c. Describe what role the electrons play and describe the generalmovement of the electrons through the electron transport chain tothe final electron acceptor. d. What would the effect of addingdinitrophenol (DNP) be on the electron transport chain? Bespecific. e. How many total ATP would be made under aerobicconditions starting at the molecule you determined? f. Finally, howmany protons would be pumped from your starting molecule underanaerobic conditions and why?
