BIOL 2020 Study Guide - Final Guide: Cytochrome C, Radical Ion, Voltage-Dependent Anion Channel
Document Summary
Oldest mito ancestor and which one now has 97 genes. Vdac inner: impermeable to all ions, so use transporter shuttles. Passing electrons to fmn, electrons flow towards higher electron affinity. Nadh nadh reductase complex ubiquinone (fadh2 comes in thru succinate dehydrogenase) cytochrome reductase complex cytochrome c cytochrome c oxidase complex o2 goes to h2o. Fe3+, fe2+, coenzyme q has more than one 5c isoprene unit and renders molecule hydrophobic and allows to diffuse rapidly within inner mito membrane. Fully oxidized (2 keto groups, q), addition of 1 electron (semiquinone radical anion), addition of a second electron and proton (ubiquinol (qh2), qpool (q and. Electron flow allows protons to be pumped across membrane (inner) Pumps 4 h+ out and 2h+ uptaken, electrons transferred from. How many protons pumped out at complex 1-4. Catalyze transfer of electrons from qh2 and succinate reductase to cytochrome c (oxidized), transports 2h to cytoplasmic side.
