1. Aim: How can we describe the structure and function of cell organelles?

2. AIM: How can we describe the structure and function of cell organelles? DN: What are organelles? Name at least two organelles and describe the function of each one. HW: Read pages 173-183, page 183 #1-6

3. CELLS EUKARYOTIC CELLS ANIMAL CELLPLANT CELL PROKARYOTIC CELLS ORGANIZATION CHART BACTERIA

4. Prokaryotes All Bacteria All Bacteria They DO NOT have membrane bound organelles. They DO NOT have membrane bound organelles. They DO have: They DO have: Cell Membranes Cell Membranes Cell Walls Cell Walls DNA DNA Ribosomes Ribosomes

5. 2 Types of Eukaryotic Cells: Animal Cell Animal Cell Plant Cell Plant Cell Both are complex, but there are differences Both are complex, but there are differences

6. What are those things inside the cell? Organelles- Specialized structures in cells that perform important cellular functions. Organelles- Specialized structures in cells that perform important cellular functions.

7. Life Functions Nutrition – to get nutrients for energy Nutrition – to get nutrients for energy Transport – to move materials from A to B Transport – to move materials from A to B Cell respiration – Energy: ATP Cell respiration – Energy: ATP Excretion – to get rid of metabolic waste Excretion – to get rid of metabolic waste Synthesis – to build, to make Synthesis – to build, to make Regulation – to control Regulation – to control Growth – to increase in size or number Growth – to increase in size or number Reproduction – to make offspring Reproduction – to make offspring

8. CELL MEMBRANE Protect the cell. Protect the cell. Controls what comes in and out. Controls what comes in and out. FUNCTION: TRANSPORT

9. CYTOPLASM FUNCTION: Protect and support the organelles within the cell. TRANSPORT

10. NUCLEUS Found in eukaryotic cells only! Found in eukaryotic cells only! Function: Controls cell processes and contains the hereditary information - DNA Function: Controls cell processes and contains the hereditary information - DNA REGULATION

11. ENDOPLASMIC RETICULUM Transport of materials Transport of materials 2 Types: Rough ER (has ribosomes) & Smooth ER 2 Types: Rough ER (has ribosomes) & Smooth ER FUNCTION: TRANSPORT

12. RIBOSOMES Protein Synthesi Protein Synthesi Cytoplasm or on Rough ER Cytoplasm or on Rough ER FUNCTION: SYNTHESIS

13. GOLGI APPARATUS Packages Proteins FUNCTION: TRANSPORT

14. MITOCHONDRIA Powerhouse of the cell- cellular respiration Makes energy or ATP from food and oxygen. Makes energy or ATP from food and oxygen. FUNCTION: RESPIRATION

15. LYSOSOMES Contain enzymes that can break down nutrients. Also they break down dead organelles. FUNCTION: NUTRITION

16. VACUOLES Store materials such as water, salt, proteins, and carbohydrates. Store materials such as water, salt, proteins, and carbohydrates. MANY SMALL ONES IN ANIMAL CELLS, AND ONE BIG ONE IN PLANT CELLS. MANY SMALL ONES IN ANIMAL CELLS, AND ONE BIG ONE IN PLANT CELLS. FUNCTION: EXCRETION

17. CENTRIOLES FUNCTION: Involved in animal cell division FOUND ONLY IN ANIMAL CELLS REPRODUCTION

18. CHLOROPLASTS Photosynthesis Photosynthesis FOUND IN PLANT CELLS! FOUND IN PLANT CELLS! FUNCTION: SYNTHESIS

19. CELL WALL Support and protection for the cell and allows materials in and out of the cell. Support and protection for the cell and allows materials in and out of the cell. FOUND IN PLANT CELLS. FOUND IN PLANT CELLS. FUNCTION: REGULATION

20. CILIA & FLAGELLA Made of protein and help with the movement of individual cells Made of protein and help with the movement of individual cells FUNCTION: NUTRITION

21. Animal cell Plant cell

22. What do plant and animal cells have in common? XCell MembraneX XCytoplasmX XNucleusX XEndoplasmic Reticulum X XRibosomeX XMitochondria X XLysosomes X XVacuoleX XCentriole Chloroplast X Cell Wall X AMIMAL CELLPLANT CELL

23. Cheek Cell NUCLEUS

24. Elodea Cell CELL WALL CHLOROPLAST