KEY CONCEPT Eukaryotic cells share many similarities.

1. KEY CONCEPT Eukaryotic cells share many similarities.

4. Cells have an internal structure.

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

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

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

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

9. 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

10. 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

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

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

13. Several organelles are involved in making and processing proteins. • The nucleus stores genetic information. • Many processes occur in the endoplasmic reticulum.

14. Several organelles are involved in making and processing proteins. • The nucleus stores genetic information. • Many processes occur in the endoplasmic reticulum. • There are two types of endoplasmic reticulum.

15. Several organelles are involved in making and processing proteins. • The nucleus stores genetic information. • Many processes occur in the endoplasmic reticulum. • There are two types of endoplasmic reticulum. • rough endoplasmic reticulum

16. Several organelles are involved in making and processing proteins. • The nucleus stores genetic information. • Many processes occur in the endoplasmic reticulum. • There are two types of endoplasmic reticulum. • rough endoplasmic reticulum • smooth endoplasmic reticulum

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

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

19. 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.

20. Other organelles have various functions.

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

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

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.

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.

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.

26. 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.

28. Plant cells have cell walls and chloroplasts and large Central Vacoule.

29. A cell wall provides rigid support. • Vacuoles are fluid-filled sacs that hold materials.

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