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.

Question 8 of 17 Incorrect ncorrect ncorrect Map deb Sapling Learning 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. Electron carriers are organized into four complexes of proteins and prosthetic groups. Electron carriers in the mitochondrial matrix include ubiqui one (coenzyme Q), FMN, and cytochrome c. Electrons generated by the citric acid cycle in the mitochondrial matrix enter the ETC Electron transfer in the ETO is coupled to proton transfer from the matrix to the intermembrane space. The inner membrane of mitochondria is readily permeable to small molecules and hydrogen ions. The reactions of the ETC take place in the inner membrane of mitochondria. l Prosthetic groups, such as iron-sulfur centers, are directly involved with electron transfer. e of your answers is incorrect, and there is another correct answer AO Previous Try Again Next Ext

Explanation / Answer

1 .Electron carriers are organized into four complexes of protein and prosthetic groups. (T)

2. Electron carriers in the mitochondrial matrix include ubiquinone (coenzyme Q10), FMN and cytochrome c (F)

3. Electrons generated by the citric acid cycle in the mitochondrial matrix enter the ETC   (T)

4. Electron transfer in the ETC is coupled to proton transfer from the matrix to the intermembrane space.   (T)

5. The inner membrane of mitochondria is readily permeable to small molecules and hydrogen ions (F)

6. The reactions of the ETC take place in the inner membrane of mitochondria (T)

7.The prosthetic groups such as iron sulfur center are directly involved in ETC.(T)

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