Electron Transport Chain

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

• Cytoplasm

• Ribosome

• Mitochondria

• Nucleus

Select the correct answer. NADH approaches complex ____ and donates its electrons.

• I

• II

• III

• IV

Select the correct answer. FADH2 approaches complex ____ and donates its electrons.

• I

• II

• III

• IV

What enzyme in the ETC is responsible for generating the ATP molecules?

• Complex I

• Coenzyme Q

• Cytochrome C

• ATP synthase

NADH and FADH₂ release what into the mitochondrial matrix?

• H⁺

• electrons

• both H⁺ and electrons

• neither H⁺ and electrons

At the end of the ETC and Chemiosmosis, what binds to the electrons and H⁺'s?

• H₂O

• ATP

• O₂

• CO₂