Electron Transferring Flavoprotein Ubiquinone Oxidoreductase

The video explores the role of electron transferring flavoprotein ubiquinone oxidoreductase in the electron transport chain, addressing common misconceptions about FADH2 entry. It explains the mechanism of electron transfer via flavoproteins and the role of Complex 3. The video emphasizes the importance of electron transferring flavoprotein as an electron shuttle, highlighting its function in the respiratory chain.

What is the primary role of electron transferring flavoprotein ubiquinone oxidoreductase in the electron transport chain?

• To oxidize cytochrome C

• To synthesize FADH2

• To transfer electrons to iron-sulfur centers

• To produce ATP directly

Which molecule acts as the ultimate electron acceptor in the process described?

• NADH

• Cytochrome C

• Ubiquinone

• FAD

What is the function of iron-sulfur centers in the electron transport chain?

• To synthesize ATP

• To bind oxygen

• To transfer electrons

• To store energy

How does the electron transferring flavoprotein function in the electron transport chain?

• As a substrate for FADH2

• As a proton pump

• As an electron shuttle

• As a direct ATP producer

What is the prosthetic group of the electron transferring flavoprotein?

• Ubiquinone

• Cytochrome C

• FAD

• NADH

What is the ultimate goal of the electron transport process described in the video?

• To oxidize cytochrome C

• To synthesize glucose

• To reduce ubiquinone to ubiquinol

• To oxidize FADH2

Which complex does the reduced ubiquinol move towards after being formed?

• Complex II

• Complex IV

• Complex I

• Complex III