bigpunisher Posted December 1, 2008 Posted December 1, 2008 I have a question from class that says to name the two electron transporters in the Electron Transporter Chain? I am having a hard time understanding the whole krebs cycle/ETC process. I thought the answer was NADH and FADA but the teacher said that wasnt it. Any help would be great.
CharonY Posted December 1, 2008 Posted December 1, 2008 Hmm two electron transporters? Hmm I assume that the transmembrane proteins in mitochondria are meant. NADH is not completely wrong, as it delivers the electrons to the chain, but in my memory the transport chain consists of three transmembrane complexes (NADH reductase, cytochrome b-c1 complex and cytochrome oxidase complex) as well as the ubiquinone pool and the succinate dehydrogenase. As such I am not sure why there should be only "two" of anything. Also wasn't FadA a thiolase? The basic bit to understand about the electron transport chain is that electrons are moved along a potential gradient and are used to power the export of protons to build up a proton gradient.
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