AP Biology · Unit 3

Unit 3: Cellular Energetics (part 3)

16 review questions with answers for Unit 3: Cellular Energetics (part 3). Read them here, or play the set as a class game on the projector. Free to host, and students join with a code.

A question from this set

Specific location of the light-dependent reactions?

  • Carbon Fixation
  • Thylakoid Space (Lumen)
  • Atmospheric CO₂
  • Thylakoid MembraneRight answer
From Unit 3: Cellular Energetics (part 3), 16 questions.

All 16 questions and answers

  1. Specific location of the light-dependent reactions?

    Answer: Thylakoid Membrane

  2. The main pigment that absorbs light energy?

    Answer: Chlorophyll

  3. The process of splitting water to provide electrons for the ETC?

    Answer: Photolysis

  4. The waste product released after water is split?

    Answer: Oxygen (O₂)

  5. The final electron acceptor in the light reactions?

    Answer: NADP⁺

  6. The reduced electron carrier produced to power the Calvin cycle?

    Answer: NADPH

  7. Specific location of the Calvin cycle?

    Answer: Stroma

  8. The process of converting inorganic CO₂ into organic sugar?

    Answer: Carbon Fixation

  9. The enzyme that attaches CO₂ to RuBP (most abundant enzyme on Earth)?

    Answer: Rubisco

  10. The 3-carbon sugar that is the actual direct product of the Calvin cycle?

    Answer: G3P

  11. The molecules "recycled" back to the light reactions after being used?

    Answer: ADP and NADP⁺

  12. What provides the electrons to replace those lost by Photosystem II?

    Answer: Water (H₂O)

  13. Where do the H⁺ ions build up to create a gradient in the chloroplast?

    Answer: Thylakoid Space (Lumen)

  14. What is the source of the carbon used to build glucose?

    Answer: Atmospheric CO₂

  15. Problem where Rubisco binds to O₂ instead of CO₂, wasting energy?

    Answer: Photorespiration

  16. Adaptations to minimize photorespiration in hot/dry climates?

    Answer: C4 and CAM Plants

Play it as a class game

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