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Cell Organelles

Cell Organelles. LS 2a – I will understand cell structure and organelles. Cell Membrane. Function: To keep all of the cells organelles inside. To allow things in and out of the cell. Found In: Plant and Animal Cells. Cytoplasm.

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Cell Organelles

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  1. Cell Organelles • LS 2a – I will understand cell structure and organelles

  2. Cell Membrane • Function: • To keep all of the cells organelles inside. • To allow things in and out of the cell. • Found In: Plant and Animal Cells

  3. Cytoplasm • Function: To surround and suspend all of the organelles within a cell. • Found In: Plant and Animal Cells

  4. Ribosomes • Function: It’s the protein factory • Very small organelle • Found In: Plant and Animal Cells

  5. Nucleus • Function: “The control center of the cell.” It tells the cell what to do. • Stores DNA which contains the information the cell needs to make proteins • Found In: Plants and Animal Cells

  6. Mitochondria • Function: To break down food particles in order to release energy (ATP). • Known as the “MIGHTY MITOCHONDRIA” • Found In: Plant and Animal Cells

  7. Endoplasmic Reticulum • Function: Is the delivery system of the cell. • Internal delivery • Similar to a “tunnel for cars” • Found In: Plants and Animal Cells

  8. GolgiComplex • Function: Processes and Transports Materials out of the cell. • External Delivery • Lipids and Proteins from the ER are delivered to the Golgi. • Found In: Plants and Animal Cells

  9. Vacuole • Function: To store water and other materials. • This “water balloon” helps to give the cell its support. • Found In: Plants – LARGE vacuoles Animals – Small vacuoles

  10. Function: To provide strength and support to the cell membrane. Found In: Plant Cells Only Cell Wall

  11. Chloroplast • Function: -- Take energy from sunlight and turn it into sugar • (sugar is then passed to the mitochondria to get energy – ATP) • Found In: Plant Cells Only

  12. The Cell Theory • All organisms are composed of one or more cells. • The cell is the basic unit of life. • All cells come from existing cells.

  13. (1) Prokaryotic Cells (Bacteria)

  14. (2) Control Center? • No Nucleus • Genetic Information (dna) is “bunched up” in the cytoplasm

  15. (3) Organelles • Organelles are not surrounded by any membranes • They do have RIBOSOMES though!

  16. (4) Genetic Information • DNA is circular • A long molecule, shaped like a rubber band

  17. (5) Type of Cells? • Bacteria!

  18. (6) Eukaryotic Cells (plants and animals)

  19. (7) Control Center • Nucleus is in the center of the cell • Controls all cell activities • Easy to see!

  20. (8) Organelles • Surrounded by membranes • You can distinguish them from each other • Separate structures

  21. (9) Genetic Information • DNA is linear • It is stored in the nucleus

  22. (10) Type of Cells? • Anything But Bacteria! • Plants and animals!

  23. staphylococcus

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