The pH gradient established by the electron transport chain: a. Exists between the matrix and...
Question:
The pH gradient established by the electron transport chain:
a. Exists between the matrix and the mitochondrial intermembrane space.
b. Sets up a voltage gradient that drives GTP formation.
c. Is established by electron transfer from FADH2 and NADPH from the TCA cycle to oxygen.
d. Occurs because Fe-S clusters can only transport protons and not electrons.
e. All of the above.
The Electron Transport Chain:
The electron transport chain consists of a series of molecular complexes embedded in the inner mitochondrial membrane. They shuttle electrons from the reducing molecules {eq}NADH {/eq} and {eq}FADH_2 {/eq} to molecular oxygen reducing it to water.
Answer and Explanation: 1
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View this answerThe correct answer is (a). The pH gradient established by the electron transport chain exists between the matrix and the mitochondrial inter-membrane...
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Chapter 8 / Lesson 5What is an electron transport chain (ETC)? Learn where the ETC takes place. See electron transport chain steps along with its reactants and products.
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