science
Grade-7
Easy

Question

______________ serves the straightforward objective of giving cells the energy they require to function.

  1. Cellular respiration
  2. Pyruvate oxidation
  3. Oxidative phosphorylation
  4. Citric acid cycle

The correct answer is: Cellular respiration


    • Oxidative phosphorylation is the process by which ATP synthesis is the to the movement of electrons through mitochondrial electron transport chain 
    • Oxidation of previously formed NADH and FADH molecules 
    • ATP are produced and oxygen is consumed only in this step

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