Energy Generation in the Body: Electron Transport Chain and CAC

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Where does the electron transport chain take place in the cell?

Inner mitochondrial membrane

What is the main function of the electron transport chain?

Generation of ATP

Which molecules donate electrons to the electron transport chain?

NADH and FADH2

What is the final electron acceptor in the electron transport chain in aerobic cells?

<p>Water</p> Signup and view all the answers

Which organelle is vital for the functioning of the electron transport chain?

<p>Mitochondria</p> Signup and view all the answers

What is the role of the respiratory chain in the electron transport chain?

<p>Transferring electrons from substrates to molecular oxygen</p> Signup and view all the answers

Where does the citric acid cycle take place?

<p>Mitochondrial matrix</p> Signup and view all the answers

What is the main function of the citric acid cycle?

<p>To completely oxidize Acetyl CoA to CO2</p> Signup and view all the answers

Which of the following is NOT an inhibitor of the citric acid cycle?

<p>ADP</p> Signup and view all the answers

What process is responsible for the phosphorylation of ADP to ATP coupled to electron transfer from a substrate to molecular oxygen?

<p>Electron transport chain and oxidative phosphorylation</p> Signup and view all the answers

Which theory explains how the electron transport chain and oxidative phosphorylation are coupled?

<p>Chemiosmotic theory</p> Signup and view all the answers

What are the electron donors in the electron transport chain?

<p>NADH, FADH2</p> Signup and view all the answers

What is the reservoir for oxidative phosphorylation according to the chemiosmotic theory?

<p>Transmembrane differences in proton concentration</p> Signup and view all the answers

What is the main function of ATP synthase in oxidative phosphorylation?

<p>To phosphorylate ADP to ATP</p> Signup and view all the answers

What drives the formation of ATP in oxidative phosphorylation according to the chemiosmotic theory?

<p>$H^+$ concentration gradient and charge separation</p> Signup and view all the answers

How many protons are required to synthesize 1 ATP in oxidative phosphorylation?

<p>4 protons</p> Signup and view all the answers

Which of the following does NOT generate ATP in the citric acid cycle?

<p>Acetyl CoA</p> Signup and view all the answers

What is the main function of the electron transport chain?

<p>To synthesize ATP</p> Signup and view all the answers

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