The electron transport chain (ETC), or respiratory chain, is linked to proton movement and ATP synthesis.Select the statements that accurately describe the electron transport chain.Electron carriers are organized into four complexes of proteins and prosthetic groups.Prosthetic groups, such as iron-sulfur centers, are directly involved with electron transfer.Electron transfer in the ETC is coupled to proton transfer from the matrix to the intermembrane space.The reactions of the ETC take place in the outer membrane of mitochondria.Electrons generated by the citric acid cycle in the mitochondrial matrix enter the ETC.The outer membrane of mitochondria is readily permeable to small molecules and hydrogen ions.Electron carriers in the mitochondrial matrix include ubiquinone (coenzyme Q), FMN, and cytochrome c.

The statements that accurately describe the electron transport chain (ETC) are:Electron carriers are…

Answered: The electron transport chain (ETC), or…

Organic And Biological Chemistry

7th Edition

ISBN:9781305081079

Author:STOKER, H. Stephen (howard Stephen)

Publisher:STOKER, H. Stephen (howard Stephen)

Chapter13: Carbohydrate Metabolism

Section: Chapter Questions

Problem 13.50EP

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Which of the following correctly describes the flow of protons between the intermembrane space and the matrix? O Protons flow spontaneously through a channel in the lipid bilayer from matrix to the intermembrane space. O Protons flow spontaneously directly through the lipid bilayer from the matrix to the intermembrane space. O Protons flow spontaneously directly through the lipid bilayer from the intermembrane space to the matrix. O Protons flow spontaneously through a channel in the lipid bilayer from the intermembrane space to the matrix. « Previous Next
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