Across
- 1. breaks large molecules into small molecules (release of energy)
- 5. large molecule made from smaller molecules
- 9. chemical bond formed when electron(s)transfer from 1 atom to another
- 11. 2 chemically bonded atoms
- 14. force existing between molecules
- 17. attraction between molecules of different substances
- 18. molecules forming ionic hydrogen bond, attracts water
- 19. outer/orbital shell of electron
- 21. atom which gains or loses electrons
- 22. based on observations
- 24. reaction that changes one set of chemicals into another
- 26. fatty acid containing carbons join by single bonds (fats/waxes)
- 27. part of amino acid that is different (side chain)
- 30. reaction that releases energy
- 32. is dissolved
- 33. attraction between molecules of same type of substance
- 39. Law of Thermodynamics: every energy transfer increases the universe's entropy
- 40. all components are equally distributed in a mixture
- 41. caused by uneven electron distribution
- 42. chemical bond formed when electrons are shared between atoms
- 43. a type of variable where the factor is changed
- 48. control the rate of reactions and regulate cell processes
- 51. compound that forms OH- ions in a solution (higher pH)
- 52. larger unit
- 53. ___number: # of protons + neutrons in a nucleus
- 54. Law of Thermodynamics: energy cannot be created or destroyed
- 56. is dissolving
- 57. ___number: # of protons in an atom
- 60. fatty acid containing at least 1 double bond between carbon atoms (cooking oil)
- 62. type of reasoning, apply general statements to specific facts
- 63. source of energy and provides structure
- 64. nonpolar molecule repels water
- 65. synthesis/reaction building up molecules by loss of water
Down
- 2. most basic unit of matter
- 3. tested many times, results continue to support it (describes how phenomena occur)
- 4. have 4 classes: carbohydrates, lipids, proteins, nucleic acids
- 6. tendency of water to rise in a thin tube
- 7. variable kept constant
- 8. store energy and control steroids
- 10. examples: DNA, RNA
- 12. pure substance made up of atoms
- 13. material of 2+ different elements physically (not chemically) mixed together
- 15. substance that speeds up a reaction rate (lowers activation energy)
- 16. based on numbers
- 20. the ability to move/change matter
- 23. element existing in 2+ forms (ex carbon, diamond)
- 25. biological catalyst
- 28. a type of variable where the change of a factor is being measured
- 29. substance from 2+ diff elements in known proportions
- 31. atoms of the same element but with different numbers of neutrons
- 34. substance an enzyme acts on during a chemical reaction (specific ones for different enzymes)
- 35. water mixed with undissolved material
- 36. type of reasoning, general statements to specific facts
- 37. force holding atoms together within a molecule
- 38. weak acid/base which reacts with stronger ones to prevent sudden pH changes
- 44. synthesis/reaction with addition of water to break up a compound
- 45. attraction between hydrogen and other atom
- 46. small unit
- 47. creates large molecules from small molecules (use of energy)
- 49. atom known as the backbone of macromolecules
- 50. all the chemical reactions that occur within an organism to maintain life
- 55. repeatedly tested and supported (explains/predicts phenomena)
- 58. compound that forms H+ ions in a solution (lower pH)
- 59. reaction that absorbs energy
- 61. pocket in the fold of the enzymes