1. TOPIC: Cells
AIM: Describe the different cell organelles and their functions.
Do Now: Explain what organisms consist of.
HW: Read p. 39. Write a paragraph describing the two types of cells that exist.

2. Cell Membrane

3. “SECURITY GUARD”

4. Cell membranes are like gates.

5. Plasma Membrane
Surrounds the cell

6. Semi-permeable or Selectively permeable: controls what enters & leaves the cell

8. Cytoplasm

9. Cytoplasm is the gelatin-like material that is found inside the cell membrane.

10. Jellylike material
Holds cell organelles

12. Nucleus

13. “BRAIN” of the cell
(Control center of the cell)

14. Controls all cell activities
Stores hereditary information (DNA)

15. Nucleolus: produces ribosomes

16. Surrounded by the nuclear membrane

17. Nucleus of a Mouse Spleen Cell

18. Onion Cells

19. Cheek Cell

20. Ribosomes

21. Produce proteins

22. Found
Floating free in cytoplasm

23. on Endoplasmic Reticulum

24. Endoplasmic Reticulum (ER)

25. “HIGHWAY OF THE CELL”

26. Channels in the cytoplasm
Used to TRANSPORT materials
2 types of ER:

28. 1.Rough ER: ribosomes on surface

29. 2.Smooth ER: no ribosomes on surface

30. Rough ER

31. Smooth ER

32. TOPIC: Cells
AIM: Describe the different cell organelles and their functions.
Do Now: Take out your notes packet. You will be using the space under the Endoplasmic reticulum box. Write out numbers 1 – 10.
HW: Work on your science fair project!

33. Identify the cell organelle described:
Controls all cell activities.
Produces proteins.
Is selectively permeable.
Transports substances around the cell.

34. 6. Produces ribosomes. 7. Has ribosomes on its surface. 8
6. Produces ribosomes. 7. Has ribosomes on its surface. 8. Holds all cell organelles. 9. Contains DNA. 10. Controls what enters and leaves the cell.

35. Mitochondria

37. “POWERHOUSE” of the cell
Mighty Mitochondria

38. Where ENERGY is produced (cell respiration)
ATP

40. Vacuoles

41. Stores materials (food, water, wastes…)

42. Animal = many small
Plant = few large

43. Golgi Bodies

46. “UPS / POST OFFICE”
Collects, packages, and sends materials out of the cell

47. Lysosome

49. Contain digestive enzymes that:
1. digest food
2. break down old organelles & bacteria

55. Centrioles: used for cell division

58. CELL WALL
Cell Membrane

59. Cell Wall:
Outer wall of plant cell
Gives cell shape and support
RIGID

61. 2. Chloroplasts:
Carry out photosynthesis
Contain green pigment called chlorophyll

63. Let’s Label!!! M. Centrioles K. Golgi Bodies L. mitochondria
J. Nucleolus
I. Nuclear Mem.
A. Cell membrane
H. chromosomes
G. nucleus
B. Ribosome
F. lysosome
E. ER
C. cytoplasm
D. vacuole

64. 3 4 7 8 2 5 6 1 7 8

65. A. Cell Wall
H. Ribosome
B. Cell Membrane
I. Chloroplast
C. Nucleus
D. Nuclear Mem
J. Cytoplasm
E. Chromosomes
K. Golgi Bodies
F. Nucleolus
L. Mitochondria
G. ER
M. Vacuole

66. E

67. Review:
Which structure composed mainly of proteins and lipids, aids in maintaining homeostasis in the cell?
(1.) chromosome (2.) nucleolus
(3.) cell membrane (4.) cell wall

68. 2. In which organelle would water and dissolved minerals be stored. (1
2. In which organelle would water and dissolved minerals be stored? (1.) vacuole (2.) lysosome (3.) nucleus (4.) ribosome

69. 3. The rigidity (support) of a plant cell is due primarily to the presence of the (1.) DNA (2.) cell membrane
(3.) cell wall (4.) lysosomes

70. 4. The structure most closely associated with the destruction of worn out cell organelles is the (1.) lysosome (2.) vacuole (3.) golgi apparatus (4.) chromosome

71. 5. Which structure is found ONLY in animal cells?
(1.) cell wall (2.) vacuoles
(3.) centrioles (4.) ribosomes

72. 6. The organelle most closely associated with the manufacture of proteins within the cell is the (1.) ribosome (2.) lysosome (3.) nucleolus (4.) cell membrane

73. 7. Which structure chiefly functions in intracellular transport?
(1.) vacuole
(2.) mitochondrion
(3.) golgi apparatus
(4.) endoplasmic reticulum

74. 8. The cell wall is
(1.) selectively permeable
(2.) rigid
(3.) living
(4.) a hardened cell membrane

75. 9. Cyanide, a metabolic poison, interferes with the production of energy. Which cell organelle does cyanide most directly influence first in this situation?
(1.) nucleus (2.) lysosome
(3.) mitochondria (4.) ribosomes

76. 10. The structure that is known as the control center of the cell is the
(1.) vacuole (2.) cell membrane
(3.) lysosome (4.) nucleus