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Electron transport chain

Biology • Cellular Respiration • Knowledge-Based • 1 questions

Electron transport chain Knowledge-Based Download PDF

Biology · Cellular Energetics · Biology · Cellular Respiration

1 Biology practice questions on Electron transport chain. Questions that assess core concepts and understanding.

Questions

  1. 1.

    During aerobic cellular respiration, what is the immediate consequence of electron transfer through complexes I, III, and IV of the mitochondrial electron transport chain?

    • A) Direct substrate-level phosphorylation of ADP into ATP within the electron transport complexes
    • B) Pumping of protons from the mitochondrial matrix into the intermembrane space
    • C) Active transport of pyruvate from the intermembrane space into the mitochondrial matrix
    • D) Direct reduction of molecular oxygen at complex I to generate metabolic water