Unit 3 Cellular Energetics Crossword by Medha Dontineni

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Across
  1. 2. Energy The minimum energy needed/required to start a chemical reaction.
  2. 3. Membrane structures in chloroplasts where light-dependent reactions take place.
  3. 5. An electron carrier that transfers high-energy electrons from light reactions to the Calvin cycle.
  4. 7. The plant organelle where photosynthesis occurs.
  5. 12. The structural disruption of a protein, often caused by heat or pH changes, resulting in loss of function.
  6. 13. The light dependant reactions that fix CO2 to produce carbohydrates.
  7. 14. A mechanism that uses a proton (H+) gradient to start ATP synthesis.
  8. 17. A molecule that binds to the active site, blocking the substrate.
  9. 18. The mitochondrial matrix reactions that process acetyl CoA to produce CO2, NADH, and FADH2.
  10. 19. A series of membrane-bound proteins that transfer electrons to create a proton gradient.
  11. 20. A biological catalyst, typically a protein, that speeds up chemical reactions by lowering the activation energy.
Down
  1. 1. The stage of photosynthesis that converts solar energy into chemical energy (ATP/NADPH) and releases oxygen.
  2. 4. A regulatory site on the enzyme that is different from the active site.
  3. 6. An enzyme that uses the proton gradient (H+) to generate ATP from ADP.
  4. 8. Reactions Reactions involving electron transfer; oxidation involves loss, while reduction involves gain.
  5. 9. The primary carrier of energy that powers nearly all cellular activities.
  6. 10. The region on an enzyme where the substrates bind.
  7. 11. The anaerobic, cytoplasmic process breaking down glucose into pyruvate.
  8. 15. The fluid-filled space within the chloroplast where the Calvin cycle occurs.
  9. 16. An anaerobic process that generated NAD+ to allow glycolysis to continue.