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KEY CONCEPT Eukaryotic cells share many similarities.

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KEY CONCEPT Eukaryotic cells share many similarities.

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  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. • Many processes occur in the endoplasmic reticulum.

  12. 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.

  13. 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

  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. • 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. Other organelles have various functions.

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

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

  21. 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.

  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. • Centrioles are tubes found in the centrosomes.

  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. • Centrioles help divide DNA.

  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. • Centrioles form cilia and flagella.

  25. Plant cells have cell walls and chloroplasts.

  26. Plant cells have cell walls and chloroplasts. • A cell wall provides rigid support.

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