Bio211 - Unit 3 Class 3 Cell Resp. 2

Which of the following is produced from the electron transport chain? Select all that apply.

• NADH

• ATP

• FAD+

• O₂

• H₂O

Complex III of the ETC accepts electrons from Q, which come from...

• Complex I

• Complex II

• Complex IV

• Complex I AND Complex II

Which complexes of the ETC pump protons into the intermembrane space? Select all that apply.

• Complex I

• Complex II

• Complex III

• Complex IV

• Complex V

Why is pyruvate reduction necessary for sustained glycolysis?

• A buildup of pyruvate is toxic for the cell

• Pyruvate reduction generates ATP

• Pyruvate reduction generates NAD⁺

• Pyruvate reduction generates NADH