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Cell Organelles

Cell Organelles. What you need to know. An organelle is a membrane-bound structure that carries out specific activities for the cell. A “mini” organ. You will need to know the following organelles and their function:. Cell Membrane Nucleus Cytoplasm Mitochondria Ribosomes

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Cell Organelles

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  1. Cell Organelles What you need to know

  2. An organelle is a membrane-bound structure that carries out specific activities for the cell.A “mini” organ

  3. You will need to know the following organelles and their function: • Cell Membrane • Nucleus • Cytoplasm • Mitochondria • Ribosomes • Smooth Endoplasmic Reticulum • Rough Endoplasmic Reticulum • Cell Wall • Chloroplast • Vacuole • Lysosome

  4. Cell Membrane • Every cell is enclosed by a cell membrane. It controls the passage of materials in and out of the cell.

  5. Nucleus • The control center of the cell. • Surrounded by the Nuclear Membrane which controls the passage of materials in and out of the nucleus • Contains Chromosomes which hold the genetic information for the cell (DNA)

  6. Cytoplasm(not an organelle - but important) • All organelles live and float around in the cytoplasm.

  7. Mitochondria • This organelle processes energy for a cell. It makes ATP. • ATP = energy • Involved in cellular respiration • The powerhouse of the cell

  8. Ribosomes • Synthesizes proteins • Present in the cytoplasm • Present with Rough ER

  9. Endoplasmic Reticulum • Transports materials throughout the cell Rough ER • Covered with ribosomes, making it rough • Produces proteins • Transports materials throughout the cell Smooth ER • Produces lipids • No ribosomes

  10. Vacuole • Stores enzymes and aids in digestion • Plants have a large central vacuole- larger than vacuoles in animal cells

  11. Lysosome(Common in Animal Cells; Rare in Plant Cells) • Breaks down materials for digestion • Contains special enzymes for digestion in the cell

  12. Cell Wall (Plant Cell Only) • Rigid and strong wall • Protects and maintains the shape of the cell

  13. Chloroplast(Plant Cell Only) • Photosynthesis takes place here • Contains chlorophyll • Makes plants green • Uses light energy to make ATP & sugars

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