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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 organelles2
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
cell membrane
Cell membrane

http://library.thinkquest.org/C004535/media/cell_membrane.gif

cell membrane4
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
nucleus
Nucleus

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

nucleus6
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.
endoplasmic reticulum er
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
ribosomes
Ribosomes

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

ribosomes10
Ribosomes
  • Responsible for protein synthesis necessary for the cell to function
  • Can be found free in the cytoplasm or attached to the rough ER
golgi bodies12
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
lysosomes
Lysosomes

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

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

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

mitochondria16
Mitochondria
  • The ‘powerhouses’ of the cell
  • Responsible for producing ATP, an energy molecule, so cell processes can be carried out
chloroplast
Chloroplast

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

chloroplast18
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