The electron transport chain (ETC), or respiratory chain, is linked to proton mo

Question

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 Choose all that apply. Prosthetic groups, such as iron-sulfur centers, are directly involved with electron transfer Electron carriers are organized into four complexes of proteins and prosthetic groups. Electrons generated by the citric acid cycle in the mitochondrial matrix enter the ETC, The reactions of the ETC take place in the outer membrane of mitochondria. Electron carriers in the mitochondrial matrix include ubiquinone (coenzyme Q), FMN, and cytochrome d Electron transfer in the ETC is coupled to proton transfer from the matrix to the intermembrane space. The outer membrane of mitochondria is readily permeable to small molecules and hydrogen ions. C.

Explanation / Answer

Option A, B, E, F, G are correct

Prosthetic groups, such as iron-sulfur centers, are directly involved with electron transfer.

Electron carriers are organized into four complexes of proteins and prosthetic groups.

Electron carriers in the mitochondria matrix include ubiquinone (coenzyme Q), FMN and cytochrome c.

Electron transfer in the ETC is coupled to proton transfer from the matrix to the intermembrane space.

The outer membrane of mitochondria is readily permeable to small molecules and hydrogen ions.

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