2. 1

3. 2 Homeostasis

4. 3 Osmosis

5. 4 Facilitated Diffusion

6. 5 Passive Transport

7. 6 Active Transport

8. 7 Solutions

9. 8 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 Homeostasis Osmosis Facilitated Diffusion Passive Transport Active Transport Solutions

10. 9 Helps an organism maintain homeostasis by controlling what enters or leaves the cell

11. 10 What is the cell membrane?

12. 11 Causes the concentration of molecules to be the same throughout a space

13. 12 What is diffusion?

14. 13 State that exists whenever molecular concentration is the same throughout a space or across a membrane

15. 14 What is equilibrium?

16. 15 Solution type when solute concentrations inside and outside the cell are equal Solution type when solute concentrations inside and outside the cell are equal

17. 16 What is isotonic?

18. 17 Organelle in paramecia that pumps out excess water

19. 18 What is a contractile vacuole?

20. 19 Universal Solvent

21. 20 What is water?

22. 21 Chemical property that makes water such a good solvent

23. 22 What is polarity?

24. 23 External solution that causes water to move into the cell

25. 24 What is hypotonic?

26. 25 Direction water moves in passive transport

27. 26 What is down the concentration gradient?

28. 27 Prefix that refers to a high solute concentration compared to another solution

29. 28 What is hyper-?

30. 29 diffusion through a transport protein

31. 30 What is facilitated diffusion?

32. 31 Proteins that move substances across a membrane

33. 32 What are transport or carrier proteins?

34. 33 Direction across the cell membrane that carrier proteins allow movement

35. 34 What is from higher to lower concentration?

36. 35 This happens to a carrier protein when it binds with the molecule it’s moving

37. 36 What is change shape?

38. 37 Type of molecules that cross by facilitated diffusion

39. 38 What are amino acids or glucose? (polar or charged)

40. 39 Passive transport without help of proteins

41. 40 What is diffusion?

42. 41 Direction molecules diffuse across a cell membrane

43. 42 What is high to low concentration?

44. 43 Water movement across a cell membrane

45. 44 What is osmosis?

46. 45 Point where molecules are evenly distributed

47. 46 What is equilibrium?

48. 47 Water pressure exerted against plant cell walls

49. 48 What is turgor?

50. 49 Required by cells when materials move by active transport

51. 50 What is ATP or energy?

52. 51 Direction of movement across a membrane during active transport

53. 52 What is low to high concentration?

54. 53 membrane “pumps” membrane “pumps”

55. 54 What are transport proteins?

56. 55 Membrane pumping system that keeps Na+ ions concentrated

57. 56 What is the sodium- potassium pump?

58. 57

59. 58 Process where cells “drink” droplets of liquid

60. 59 What is pinocytosis?

61. 60 Condition inside cell if outside of cell is hypotonic

62. 61 What is hypertonic?

63. 62 A unicellular organism’s organelle which pumps out water

64. 63 What is a contractile vacuole?

65. 64 Direction of water movement when the solute concentration outside the cell is lower than inside

66. 65 What is water moving into the cell?

67. 66 Molecules soluble in this can diffuse through the cell membrane

68. 67 What are lipids?

69. 68 Condition inside cells when plant cells lose turgor pressure and wilt

70. 69 What is plasmolysis?

71. 70

72. 71 Transport

73. 72 Kinetic energy of molecules or a concentration gradient

74. 73 What makes passive transport possible?