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KEY CONCEPT Eukaryotic cells share many similarities. PowerPoint Presentation
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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. • The cytoskeleton has many functions. • supports and shapes cell • helps position and transport organelles • provides strength • assists in cell division

  3. The Parts of The Eukaryotic Cell:7) Support • Cytoskeleton • A network of thin, fibrous materials that act as a scaffold and support the organelles. • Microtubules – hollow filaments of protein. • Microfilaments – solid filaments of protein.

  4. 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

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

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

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

  8. 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.

  9. 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

  10. 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

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

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

  13. 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.

  14. Other organelles have various functions.

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

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

  17. 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.

  18. 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.

  19. 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.

  20. 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.

  21. Plant cells have cell walls and chloroplasts.

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

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