1. Cell Organelles
The Parts of the Cell

2. Cell Organelles
Cell Membrane
“doorway of the cell”

3. Cell Organelles Cell Membrane “doorway of the cell”
Protective barrier that encloses the cell

4. Cell Organelles Cell Membrane “doorway of the cell”
Protective barrier that encloses the cell
Tiny openings that allow passages of certain materials into & out of cell

5. Cell Organelles
Cell Membrane

6. Cell Organelles Cell Membrane “doorway of the cell”
Protective barrier that encloses the cell
Tiny openings that allow passages of certain materials into & out of cell
Made up of lipids
and proteins (lipid bilayer)

7. Cell Organelles
Cytoplasm
Jelly-like mixture within the cell

8. Cell Organelles Cytoplasm Jelly-like mixture within the cell
Holds organelles in place

9. Cell Organelles
Cytoskeleton
Supporting structure & movement

10. Cell Organelles Cytoskeleton Supporting structure & movement
Network of protein filaments

11. Cell Organelles Cytoskeleton Supporting structure & transportation
Network of protein filaments
Maintain shape of the cell
Microfilaments: threadlike; made up of actin; cell support & movement (amoeba)

12. Cell Organelles Cytoskeleton Supporting structure & transportation
Network of protein filaments
Maintain shape of the cell
Microfilaments: threadlike; made up of actin; cell support & movement (amoeba)
Microtubules: hollow; made up of proteins; shape; help in cell division ; build projections (cilia and flagellum) to aid to movement

13. Cell Organelles
Nucleus
“Control Center”

14. Cell Organelles Nucleus “Control Center”
Directs all cell activities- Contains DNA- instructions for making proteins

15. Cell Organelles Nucleus “Control Center” Directs all cell activities
Bounded by a nuclear envelope (2 membranes) allowing materials in/out of nucleus

16. Cell Organelles Nucleus “Control Center” Directs all cell activities
Bounded by a nuclear envelope
Contain chromatin
DNA bound to protein
During cell division chromatin condenses into chromosomes

17. Cell Organelles Nucleus “Control Center” Directs all cell activities
Bounded by a nuclear envelope
Contain chromatin
Contain nucleolus in center
Assembly of ribosomes begins here

18. Cell Organelles
Nucleus

19. Cell Organelles
Ribosomes
Protein Makers (protein synthesis)

20. Cell Organelles Ribosomes Protein Makers (protein synthesis)
Found on rough ER and floating in cytoplasm

21. Cell Organelles Ribosomes Protein Makers (protein synthesis)
Found on rough ER and floating in cytoplasm
Smallest of all organelles

22. Cell Organelles Ribosomes Protein Makers (protein synthesis)
Found on rough ER and floating in cytoplasm
Smallest of all organelles
Made up of RNA & protein

23. Cell Organelles
Endoplasmic Reticulum (ER)
“Transportation System”

24. Cell Organelles Endoplasmic Reticulum (ER) “Transportation System”
Network of membrane passageways that carry proteins

25. Cell Organelles Endoplasmic Reticulum (ER) “Transportation System”
Network of passageways that carry proteins
Rough ER: Folded membrane extending from nucleus with ribosomes
Involved in protein synthesis

26. Cell Organelles Endoplasmic Reticulum (ER) “Transportation System”
Network of passageways that carry proteins
Rough ER: Folded membrane extending from nucleus with ribosomes
Smooth ER: no ribosomes
Synthesis of membranes (lipids)

27. Transmission Electron Microscope Image
Cell Organelles
Endoplasmic Reticulum (ER)
Transmission Electron Microscope Image

28. Cell Organelles
Golgi Apparatus (Complex)
“Packaging Center”

29. Cell Organelles Golgi Apparatus (Complex) “Packaging Center”
Packages, sorts, and distributes proteins

30. Cell Organelles Golgi Apparatus (Complex) “Packaging Center”
Packages, sorts, and distributes proteins
Stacks of membrane-covered sacs

31. Cell Organelles
Golgi Apparatus (Complex)

32. Cell Organelles
Lysosomes
Digest wastes and worn out parts

33. Cell Organelles Lysosomes Digest wastes and worn out parts
Variety of sizes and shapes

34. Cell Organelles Lysosomes Digest wastes and worn out parts
Variety of sizes and shapes
Found in cytoplasm

35. Cell Organelles
Vacuoles
“Storage Tanks”

36. Cell Organelles
Vacuoles
“Storage Tanks”
Sac-like

37. Cell Organelles Vacuoles “Storage Tanks” Sac-like
Store food and wastes
Stores: water, salts, proteins, carbs…

38. Cell Organelles Vacuoles “Storage Tanks” Sac-like
Store food and wastes
Small in animal cells/large in plant cells (central vacuole = pressure allows for support of leaves, etc)

39. Cell Organelles
Vacuoles

40. Cell Organelles
Mitochondria
“Powerhouse of the cell”

41. Cell Organelles Mitochondria “Powerhouse of the cell”
Capsule shaped (2 membranes)

42. Cell Organelles Mitochondria “Powerhouse of the cell”
Capsule shaped (2 membranes)
Supplies energy for the cell
Breaks down sugars (glucose) to make ATP (energy)

43. Cell Organelles
Mitochondria

44. Cell Organelles
Cell wall
ONLY in plant cells

45. Cell Organelles Cell wall ONLY in plant cells
Protects and supports cell

46. Cell Organelles Cell wall ONLY in plant cells
Protects and supports cell
Encloses cell/ outermost

47. Cell Organelles Cell wall ONLY in plant cells
Protects and supports cell
Encloses cell/ outermost
Made mostly of
cellulose (carb)

48. Cell Organelles
Cell wall

49. Cell Organelles
Chloroplast
ONLY in plant cells and some Protists

50. Cell Organelles Chloroplast ONLY in plant cells & some Protists
Green oval shaped

51. Cell Organelles Chloroplast ONLY in plant cells & some Protists
Green oval shaped
Contain Chlorophyll

52. Cell Organelles Chloroplast ONLY in plant/protists Green oval shaped
Contain Chlorophyll
Aid in photosynthesis
Capture light E & convert it to food (glucose)