1. Cell Presentations Honors Biology ~ Edgar 2008

2. Melanocytes: Our personal tanning salons

3. Location:

4. Function:

5. Melanin:

6. Structure:

7. How Structure and Function Relate:

8. Important Cellular Structure: Melanosome

9. Important Cellular Structures: Microtubules and Endoplasmic Reticulum

10. Final Thoughts: What’s Really Behind Racism?

11. Albino Lion

16. Sensory Neurons Location

17. Structure

18. Form fits Function

19. Spinal cord Brain Interneurons Location

20. Structure- Multipolar Compared to function

21. Motor neurons Location

22. Structure

23. Structure fits Function

24. Neuron Cell Structure

25. Microtubule

26. Golgi Apparatus

28. Where, organ and tissue, is the cell found?

30. What are the functions of the cell wihtin these organs/tissues

32. What is the structure of the skeletal muscle cell?

36. Sliding-Filament Model of Muscle Contraction

37. ATP and the Interactions Between Myosin and Actin

38. Acetylcholine (ACh) Triggers Action Potential The Process of Muscle Contraction:

39. Action Potential and the Journey of Ca 2+

40. How Calcium Ions are Used in Muscle Contraction

41. -Microfilaments -Endoplasmic Reticulum -Mitochondria

45. Macrophages

48. A macrophage digesting bacteria

50. Cell Structure of a Macrophage

52. Red Blood Cells a journey through structure and function By Nick Jacob and Samara Bliss

53. Components of Blood

54. Let’s take a closer look… Red Blood Cells are a component of Blood

55. Where do they come from?

56. ABO- Blood Type (agglutinogens) Antibodies in plasma are responsible for transfusion compatibility

57. FUNCTION transport of oxygen and CO 2

58. The bloody truth: the shape of RBC’s

59. Form and Function Hexagonal protein mesh No nucleus HUGE hemoglobin

60. Cell membrane skeleton

61. Remember this diagram? Let’s take another look…

62. 120 Days That’s not that long: only 4 months

63. Hemoglobin

64. Heme Group Check out that ring around the IRON

65. de oxyhemoglobin

66. Red Blood Cells

67. The Sperm Cell Chris & Hannah

68. Location of Sperm

69. Function: Reproduction

70. Function: Reproduction

71. Cell Structure

72. Acrosome

73. Mitochondria

74. Flagellum