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Sagot :
10
For every one NADH molecule oxidized at complex i , 10 total hydrogen ions are pumped across all of the complexes from the mitochondrial matrix to the inner membrane space.
How many complexes are involved in mitochondrial electron transport?
4 proteins
- The oxidative phosphorylation process, also known as the electron transport chain, is a collection of four protein complexes that combine redox events to produce an electrochemical gradient that results in the production of ATP.
- Both photosynthesis and cellular respiration take place in mitochondria.
What distinguishes Complex 1 from Complex 2 in particular?
- Complex I pulls four protons from the matrix into the intermembrane gap and absorbs high energy electrons from NADH.
- Succinate dehydrogenase is in Complex II.
- In the Krebs cycle, Complex II transforms succinate to fumarate and produces FADH2.
- Directly obtaining FADH2, Complex II provides two electrons to electron transport system..
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