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Lysosomes

Lysosomes. By Jerry Hsiung and Alex Mirbod. What is a Lysosome ?. Lysosome : A membrane-bound organelle that is found in the cytoplasm of most cells which contains various hydrolytic enzymes and functions in intracellular digestion. How are lysosomes produced?.

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Lysosomes

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  1. Lysosomes By Jerry Hsiung and Alex Mirbod

  2. What is a Lysosome? Lysosome: A membrane-bound organelle that is found in the cytoplasm of most cells which contains various hydrolytic enzymes and functions in intracellular digestion.

  3. How are lysosomes produced?

  4. Lysosomes in animal cells

  5. Lysosomes in plant cells

  6. What is in the lysosome? Acidic PH 4.5 - 5 Enzymes- they can digest: - lipids ex: Lipase - carbohydrates ex: Amylase - proteins ex: Proteases - nucleic acids ex: Nucleases

  7. Functions Breaking up macromolecules 2. Defend the cell 3. A “Suicide Bag”

  8. Breaking up macromolecules Dead cells & food…etc Animation: http://www.tvdsb.on.ca/westmin/science/sbi3a1/Cells/lyso.htm

  9. 2. Defend the cell & body White blood cell engulfing bacterium

  10. 3. A Suicide Bag (Sac)

  11. Structure 0.1 – 1.5µm

  12. StructurepartII Single-Wall Membrane

  13. A neat introduction video Link: http://highered.mcgraw-hill.com/olc/dl/120067/bio01.swf

  14. Sources http://www.biology4kids.com/files/cell_lysosome.html http://www.daviddarling.info/encyclopedia/L/lysosome.html http://molecular.magnet.fsu.edu/cells/lysosomes/lysosomes.htm http://www.tvdsb.on.ca/westmin/science/sbi3a1/Cells/lyso.html http://farm4.static.flickr.com/3011/2771162044_00d62b0048.jpg?v=0 http://www.rocklin.k12.ca.us/staff/dfix/zenith/handouts/organelles/lysosome_tem.jpg http://www.healthvalue.net/files/gaucher.gif http://images.protopage.com/view/721389/1854gk07so11gu766lauptjlr.jpg http://highered.mcgraw-hill.com/olc/dl/120067/bio01.swf

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