Match each component of the electron transport chain with its description. Drag the terms on the left to the appropriate blanks on the right to complete the sentences. Complex III O (molecular oxygen) Q (ubiquinone) Fe-S NADH the electron transport chain. chain. is a prosthetic group present in several components of chain. Reset Help is the final electron acceptor of the electron transport donates electrons to the electron transport chain. electron transport chain. is a nonprotein organic electron carrier within the is a multi-protein complex within the electron transport