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Across 1. is the energy currency of the cell 3. cannot be broken into any other substance 7. major component of cell wall; provides structural support for the plant 10. substance in which the solute is dissolved 11. alter the chemical reaction to go at a lower activation energy level 13. exchanges e- 14. weak acids or bases that react with strong acids and bases to prevent sharp pH changes. 17. n 18. a very important coenzyme 20. enzyme that can change shape 21. water sticking to itself 25. contains 2 or more elements 27. starch chains are broken down and stored as 29. reaction that releases free energy 33. unequal # of protons and neutrons 34. series of enzyme-catalyzed chemical rxns that forms a product in a step- by-step manner 36. substance that is dissolved 37. mix of water and non-dissolved material 38. binds to an enzyme at the active site 40. long chains of amino acids 42. products contain more energy than the reactants

Down 1. why things get wet 2. p+ 4. e- 5. smallest unit that connot be broken down by chemical means 6. the chemistry of living 8. group of atoms linked by covalent bonds 9. C6H12O6 12. compound that contains Carbon 15. why things DON'T get wet 16. shutting down of a biochemical pathway caused by a key enzyme’s sensitivity to the level of the pathway’s products 19. when water creeps up paper 22. type of protein that assists in chemical rxn of metabolism 23. store hereditary info that can be translated into new proteins 24. linked sugars in a long chain 26. weakest bond 28. carry e- from one enzyme to another 30. atoms of the same element that have a different number of neutrons 31. water is this 32. shares e- 35. mix of solvent and solute 39. deoxyribonucleic acid 41. tells how much H+ ion you have in soln.