In the "Q cycle" for electron transfer and protein pumping in Complex III of the mitochondrial electron transport chain, how many proteins are taken up from the matrix side of the inner membrane and how many are released into the inner membrane space respectively?

Question

Quizplus · Accepted Answer

In the Q cycle, 2 protons are taken up from the matrix side of the inner mitochondrial membrane, and 4 protons are released into the inner membrane space for each cycle, facilitating the proton gradient used for ATP synthesis.

In the "Q Cycle" for Electron Transfer and Protein Pumping