Chapter 5: Energy

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Across
  1. 2. the major electron carrier in the steps of cellular respiration
  2. 5. reactions that break down larger molecules and release energy
  3. 10. powerhouse of the cell where the majority of ATP is made
  4. 12. step of cellular respiration with the largest energy payoff producing up to 34 ATP molecules
  5. 14. molecule that acts like a "rechargeable battery" storing energy to be used in cells
  6. 15. The second law of thermodynamics says every conversion of energy is inefficient and results in some energy being lost as _________.
  7. 16. glucose is broken down to 2 pyruvate molecules with net gain of 2 ATP and 2 NADH
  8. 19. location of the electron transport chain in mitochondria
  9. 21. part of cell where glycolysis takes place
  10. 22. the high-energy bonds in ATP are the bonds between _____________ groups
  11. 24. made from pyruvate along with the side products NADH and carbon dioxide
  12. 26. ___________ energy is the energy of motion
Down
  1. 1. ____________ energy is the type of potential energy stored in the bonds between atoms
  2. 3. process by which cells obtain energy under anaerobic (without oxygen) conditions
  3. 4. oxygen + glucose --> carbon dioxide + water + ATP
  4. 6. the process by which plants capture energy from the sun and convert it into stored energy that can be used by living organisms
  5. 7. reactions that link smaller molecules together and require energy
  6. 8. ____________ energy is the stored energy resulting from an object's location or position
  7. 9. final acceptor of electrons at the end of the electron transport chain
  8. 11. produced by our muscles when they need energy but oxygen is not available
  9. 13. drive the production of ATP by passing back down their concentration gradient at the end of the electron transport chain (through ATP Synthase)
  10. 17. this step yields 6 NADH, 2 FADH2, 4 carbon dioxide, and 2 ATP for each glucose
  11. 18. The first law of thermodynamics says energy can never be created or _________________. It can only change form.
  12. 20. the sum of all the chemical reactions in a living organism
  13. 23. location in mitochondria where the Krebs cycle occurs
  14. 25. provide energy to pump hydrogen ions against their concentration gradient in the electron transport chain