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Chemiosmosis and ATP synthase

Biology • Cellular Respiration • Knowledge-Based • 1 questions

Chemiosmosis and ATP synthase Knowledge-Based Download PDF

Biology · Cellular Energetics · Biology · Cellular Respiration

1 Biology practice questions on Chemiosmosis and ATP synthase. Questions that assess core concepts and understanding.

Questions

  1. 1.

    During mitochondrial chemiosmosis, which process directly provides the energy utilized by ATP synthase to synthesize ATP from ADP and inorganic phosphate?

    • A) The direct transfer of high-energy electrons from reduced coenzymes to the catalytic head of ATP synthase
    • B) The active transport of sodium ions from the mitochondrial matrix into the intermembrane space
    • C) The exergonic cleavage of carbon-carbon bonds within pyruvate molecules inside the cristae lumen
    • D) The passive movement of protons down their electrochemical gradient from the intermembrane space into the matrix