C1.1 Enzymes and metabolism; C1.2 Cellular respiration; C1.3 Photosynthesis; B2.2 Compartmentalization; B2.3 Stem cells and specialization; C2.2 Neural signalling; D4.1 Evolution by natural selection

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Across
  1. 4. Transformed to chemical energy in photosynthesis
  2. 5. Catalysts that increase reaction rates in cells
  3. 7. Technique for separating photosynthetic pigments
  4. 8. Region of an enzyme where substrate binding and catalysis occur
  5. 9. Cell boundary controlling substance movement
  6. 12. By-product of photosynthesis
  7. 14. Catabolic process of breaking down food into monomers
  8. 16. Catabolic process of oxidizing substrates to release energy
  9. 17. Building of macromolecules from monomers
  10. 19. Junctions between neurons or neurons and effector cells
  11. 20. Type of respiration requiring oxygen
  12. 21. Energy required to start a chemical reaction
  13. 23. Loss of enzyme activity due to structural changes
  14. 24. An evolved traits that enhances survival and reproduction
  15. 26. Cells with the capacity to divide and differentiate
  16. 30. Model describing enzyme-substrate interaction
  17. 31. Energy-releasing process that produces lactate
  18. 33. Stem cells with the potential to form any cell type
  19. 34. The ‘T’ in ATP, the energy currency in cells
  20. 36. Network of chemical reactions in living organisms
  21. 37. Chemicals released from presynaptic membranes
  22. 38. Experiments enriching this are used to predict future photosynthesis rates
Down
  1. 1. Electrical impulse propagated along nerve fibres
  2. 2. Generates new alleles for natural selection
  3. 3. selection Mechanism driving evolutionary change
  4. 6. Breakdown of macromolecules into monomers
  5. 7. Process of producing ATP by releasing energy from carbon compounds
  6. 10. Anabolic process of converting carbon dioxide and water into glucose
  7. 11. Organelles required for aerobic respiration
  8. 13. Factor affecting enzyme activity through collision theory and denaturation
  9. 15. Combines alleles in new ways for natural selection
  10. 18. Early evolutionary theorist replaced by Darwin's ideas
  11. 22. Graph showing the rate of photosynthesis at different wavelengths
  12. 25. Cells carrying electrical impulses in the nervous system
  13. 27. Separation of cell processes in different areas
  14. 28. Ion pumped out of neurons to maintain resting potential
  15. 29. Development of specialized cells from unspecialized ones
  16. 32. Proposed natural selection as a mechanism for evolution
  17. 35. Principal substrate for cell respiration