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Biology 101: cell respiration

By Imagination Board examples · 22 Oct 2026 · 11 nodes

Class notes turned into a flow: what goes in, which stage makes what, and the exam question to practice.

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makes 2

Nodes in order 11

What feeds into a node comes before it.

  1. Glucose

    C6H12O6, from food.

  2. Glycolysis

    Cytoplasm. 2 ATP net.

    Fed by Glucose (splits in)

  3. Pyruvate

    Fed by Glycolysis (makes)

  4. Krebs cycle

    Mitochondrial matrix.

    Fed by Pyruvate (enters (oxygen))

  5. CO2

    Fed by Krebs cycle (releases)

  6. Oxygen

  7. Electron transport chain

    Inner membrane. Most of the ATP.

    Fed by Krebs cycle (passes electrons to) · Oxygen (final acceptor in)

  8. ATP

    Fed by Electron transport chain (makes) · Glycolysis (makes 2)

  9. Water

    Fed by Electron transport chain (makes)

  10. Exam question 4

  11. Fermentation (no oxygen)

    Fed by Pyruvate (goes here without oxygen) · Exam question 4 (asks about)