KEY CONCEPT Eukaryotic cells share many similarities.

1. KEY CONCEPT Eukaryotic cells share many similarities.

2. Cells have an internal structure.

3. Cells have an internal structure. • The cytoskeleton has many functions.

4. Cells have an internal structure. • The cytoskeleton has many functions. • supports and shapes cell

5. Cells have an internal structure. • The cytoskeleton has many functions. • supports and shapes cell • helps position and transport organelles

6. Cells have an internal structure. • The cytoskeleton has many functions. • supports and shapes cell • helps position and transport organelles • provides strength

7. Cells have an internal structure. • The cytoskeleton has many functions. • supports and shapes cell • helps position and transport organelles • provides strength • assists in cell division

8. Cells have an internal structure. • The cytoskeleton has many functions. • supports and shapes cell • helps position and transport organelles • provides strength • assists in cell division • aids in cell movement

9. Several organelles are involved in making and processing proteins.

10. Several organelles are involved in making and processing proteins. • The nucleus stores genetic information.

11. Several organelles are involved in making and processing proteins. • The nucleus stores genetic information. • The E.R. is responsible for protein transport.

12. Several organelles are involved in making and processing proteins. • The nucleus stores genetic information. • The E.R. is responsible for protein transport. • There are two types of endoplasmic reticulum.

13. Several organelles are involved in making and processing proteins. • The nucleus stores genetic information. • The E.R. is responsible for protein transport. • There are two types of endoplasmic reticulum. • rough endoplasmic reticulum

14. Several organelles are involved in making and processing proteins. • The nucleus stores genetic information. • The E.R. is responsible for protein transport. • There are two types of endoplasmic reticulum. • rough endoplasmic reticulum • smooth endoplasmic reticulum

15. Several organelles are involved in making and processing proteins. (continued)

16. Several organelles are involved in making and processing proteins. (continued) • Ribosomes link amino acids to form proteins.

17. Several organelles are involved in making and processing proteins. (continued) • Ribosomes link amino acids to form proteins. • Vesicles are membrane-bound sacs that hold materials.

18. Golgi Bodies surround materials in vesicles in order to send them to other places.

19. Other organelles have various functions.

20. Other organelles have various functions. • Mitochondria supply energy to the cell.

21. Other organelles have various functions. • Mitochondria supply energy to the cell. • Vacuoles are fluid-filled sacs that hold materials.

22. Other organelles have various functions. • Mitochondria supply energy to the cell. • Vacuoles are fluid-filled sacs that hold materials. • Lysosomes contain enzymes to digest material.

23. Other organelles have various functions. • Mitochondria supply energy to the cell. • Vacuoles are fluid-filled sacs that hold materials. • Lysosomes contain enzymes to digest material. • Centrioles are tubes found in the centrosomes.

24. Other organelles have various functions. • Mitochondria supply energy to the cell. • Vacuoles are fluid-filled sacs that hold materials. • Lysosomes contain enzymes to digest material. • Centrioles are tubes found in the centrosomes. • Centrioles help divide DNA.

25. Other organelles have various functions. • Mitochondria supply energy to the cell. • Vacuoles are fluid-filled sacs that hold materials. • Lysosomes contain enzymes to digest material. • Centrioles are tubes found in the centrosomes. • Centrioles help divide DNA. • Centrioles form cilia and flagella.

26. Plant cells have cell walls and chloroplasts.

27. Plant cells have cell walls and chloroplasts. • A cell wall provides rigid support for plant cells.

28. Plant cells have cell walls and chloroplasts. • A cell wall provides rigid support. • Chloroplasts convert solar energy to chemical energy in plants.