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Electron Transport System and Formation of ATP

View the animation below, then complete the quiz to test your knowledge of the concept.

1The electron transport chain in bacteria is located...
A)in the cytoplasm.
B)in the mitochondria.
C)in the cell wall.
D)in the cell membrane.
E)in the plasmid.

2During aerobic respiration, the last carrier protein transfers a pair of electrons to...
D)Coenzyme Q.
E)a proton (H+).

3The function of the enzyme ATP synthase is to...
A)accept a proton from inside the cell membrane as it accepts electrons.
B)utilize the energy of the proton motive force to convert ADP to ATP.
C)produce reduced coenzymes like NADH.
D)transfer hydrogen to the electron transport chain.
E)shuttle electrons from NADH to a terminal electron acceptor.

4Electrons enter the electron transport chain when NADH transfers them there along with protons in the form of hydrogen.

5The electron transport chain consists of a series of membrane-bound carriers that shuttle protons and electrons to NADH.

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