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Function of Cell Organelles

Function of Cell Organelles. Function of Cell Organelles. Each cell organelle has a different function All organelles within a cell work together to ensure that the cell functions properly A cell can be thought of a factory as it produces chemicals and proteins needed by the body.

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Function of Cell Organelles

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  1. Function of Cell Organelles

  2. Function of Cell Organelles • Each cell organelle has a different function • All organelles within a cell work together to ensure that the cell functions properly • A cell can be thought of a factory as it produces chemicals and proteins needed by the body

  3. Cell membrane http://library.thinkquest.org/C004535/media/cell_membrane.gif

  4. Cell membrane • The cell membrane is a ‘selective barrier’ which allows certain substances to pass through and prevents others from entering the cell • Found in both plant and animal cells

  5. Nucleus http://universe-review.ca/R10-01-cellnucleus.htm

  6. Nucleus • The nucleus contains the genetic material of the cell called DNA (deoxyribonucleic acid). DNA is essential for the cell to function as it contains all the instructions for the cell. • Nucleolus is found within the nucleus and contains RNA (ribonucleic acid). It is responsible for the production of ribosomes.

  7. Endoplasmic Reticulum

  8. Endoplasmic Reticulum (ER) • A network of flattened membranes used mainly for the transport of proteins • Rough – ribosomes attached to the surface giving a ‘rough’ appearance. It folds and processes proteins • Smooth – No ribosomes present and synthesises lipids for membranes

  9. Ribosomes http://www.sciencegeek.net/Biology/review/graphics/Unit5/Protein.jpg

  10. Ribosomes • Responsible for protein synthesis necessary for the cell to function • Can be found free in the cytoplasm or attached to the rough ER

  11. Golgi Bodies

  12. Golgi Bodies • A network of membranes that are curved and stacked in groups of 4-10 • The function is to process, package and sort cell products. Vesicles can be seen budding off as proteins continue on to their final destination which can be located inside or outside the cell

  13. Lysosomes http://www.cartage.org.lb/en/themes/sciences/zoology/AnimalPhysiology/Anatomy/AnimalCellStructure/Lysosomes/Lysosomes.htm

  14. Lysosome • Sacs filled with digestive enzymes • They break down worn out cell organelles so that the materials can be recycled to make new organelles

  15. Mitochondria http://www.chelationtherapyonline.com/anatomy/images/mitochondria.jpg

  16. Mitochondria • The ‘powerhouses’ of the cell • Responsible for producing ATP, an energy molecule, so cell processes can be carried out

  17. Chloroplast http://www.dnr.sc.gov/ael/personals/pjpb/lecture/chloroplast.jpg

  18. Chloroplast • Organelles found only in plant cells that contain the green pigment chlorophyll • They carry out the process of photosynthesis. This process requires carbon dioxide, water and sunlight to produce energy (mainly sugars) for the cell

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