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Across 1. abbreviation for Electron Transport Chain 3. fist stage of cellular respiration 5. proteins that act as catalysts for chemical reactions 11. the process of removing a water molecule to bond two monosaccharides (2 words) 13. common polysaccharide, used by animals to store extra sugar 15. monosaccharide found in fruits 16. single sugar 19. contains one adenine base, one ribose sugar, and three phosphates 20. common disaccharide, two glucose molecules 21. how many stages of cellular respiration are there? 22. third stage of cellular respiration (3 words) 24. complex carbohydrates, many monosaccharides bonded together 26. coenzyme, electron carrier, reduced to NADH 28. type of fermentation yeast cells undergo 31. common polysaccharide, used for plants' cell walls, also known as dietary fiber 32. folds in inner membrane of mitochondria 33. requires oxygen 34. double sugar 35. glycolysis breaks one glucose into 2 ________ molecules; must be oxidized 37. (2 words, no spaces) a restricted region of an enzyme molecule which binds to a substrate 38. bond between two monosaccharides in a disaccharide 41. number of ATPs produced by ETC (2-digit number with hyphen) 42. occurs after glycolysis if oxygen is not present 46. enzyme that breaks phosphate bonds on ATP for energy 47. where the Krebs Cycle and the Electron Transport Chain take place 48. common disaccharide, glucose + fructose 49. Glucose, Fructose, & ________

Down 2. The formula for monosaccharides 4. what type of process is cellular respiration? (2 words, hyphen) 6. the substance/reactant an enzyme acts on 7. high-energy bonds found between the last two phosphates in ATP which are broken for energy (2 words) 8. doesn't require oxygen 9. contains one adenine base, one ribose sugar, and two phosphates 10. enzyme that adds a third phosphate to ADP, turning back into ATP 12. oxidation-reduction reaction (2 words) 14. enzymes work by _________ _____ to speed reaction time (no spaces) 17. ATP, energy currency used by all cells (2 words) 18. where glycolysis occurs 19. Ending that lets you know it's an enzyme 23. a process that takes place in plants and animals and produces ATP (2 words) 25. type of fermentation human cells undergo 27. number of times the Krebs Cycle turns per glucose molecule 29. Ending that lets you know it's a sugar 30. to "unfold" a protein so it stops working, caused by changes in temperature or pH 36. coenzyme, electron carrier, reduced to FADH2 38. monosaccharide found in sports drinks 39. contains both glucose and fructose 40. second stage of cellular respiration (2 words) 43. common disaccharide, glucose + galactose 44. space inside cristae 45. common polysaccharide, used by plants to store energy, found in potatoes & grains