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Cell organelles


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Parts of a cell

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Cell organelles

  1. 1. Cell Organelles Biology Neistadt
  2. 2. An organelle is a membrane-bound structure that carries out specific activities for the cell.
  3. 3. You will need to know the following organelles and theirfunction:  Cell Membrane  Nucleus  Cytoplasm  Mitochondria  Golgi Complex  Ribosomes  Smooth Endoplasmic Reticulum  Rough Endoplasmic Reticulum  Cell Wall  Chloroplast  Central Vacuole  Lysosome
  4. 4. Cell Membrane Every cell is enclosed by a cell membrane. It controls the passage of materials in and out of the cell.
  5. 5. The cell membrane is sometimes called theplasma membrane.A. TrueB. False
  6. 6. Nucleus  The control center of the cell. It contains the DNA code for the cell coiled into chromosomes.
  7. 7. The nucleus is often called thepowerhouse of the cell.A. TrueB. False
  8. 8. Cytoplasm (not an organelle - but important) All organelles reside (live and float around in) the cytoplasm.
  9. 9. Mitochondria  This organelle processes energy for a cell. It makes ATP.  (ATP = energy)  Involved in cellular respiration.
  10. 10. Golgi Complex The protein packaging and transport center of the cell. Has incoming and outgoing vesicles.
  11. 11. Ribosomes(not an organelle - but important)  Synthesizes proteins.  Present in the cytoplasm.  Present with Rough ER.  No membrane present.
  12. 12. Smooth Endoplasmic Reticulum Transports materials throughout the cell. Digests lipids. Produces proteins.
  13. 13. Rough Endoplasmic Reticulum  Covered with ribosomes.  Produces proteins.  Transports materials throughout the cell.
  14. 14. Lysosome Breaks down materials for digestion. Contains special enzymes for digestion in the cell.
  15. 15. Cell Wall (Plant Cell Only) Rigid and strong wall. Protects and maintains the shape of the cell.
  16. 16. Chloroplast(Plant Cell Only)  Contains chlorophyll.  Makes plants green.  Uses light energy to make ATP & sugars.  Photosynthesis takes place here.
  17. 17. Central Vacuole (Plant Cell Only) Most plant cells have one large one. Filled w/ fluid. Helps maintains turgor pressure and shape of cell.
  18. 18. Your Turn: Draw an animal and plant cell. Label the cell parts. Pg 193
  19. 19. Your Turn… On your paper write the name of the organelle and decorate it in a way that helps you remember what it does: Nucleus Endoplasmic Reticulum (smooth and rough) Golgi Complex Chloroplasts Cell Wall Mitochondria Cytoplasm Ribosomes Lysosomes Central vacuole