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Transcript
The Function of Organelles Occupations of Organized Organelles Cell Wall Found only in plant cells Gives support to the cell Made of cellulose fibers Cell Membrane ALL cells have one Separates what’s inside from environment Made of phospholipids Nucleus Found only in eukaryotes Contains DNA The info needed to make a cell Is covered by 2 membranes Nucleolus in middle Makes ribosomes Ribosomes Found in ALL cells Make proteins More ribosomes in a cell than any other organelle Endoplasmic Reticulum Delivery system Delivers proteins made by ribosomes throughout cell Two Parts Rough Has ribosomes Smooth No ribosomes Mitochondria Powerhouse of the cell Sugar is broken down for energy Energy released by mitochondria is stored in ATP Most of cell’s ATP made here Animal cells can’t make own food so we need these to break down sugar for energy Chloroplasts Found only in plant cells Contain chlorophyll Photosynthesis happens in these Traps sunlight and sugar The sugar is then broken down by mitochondria Golgi Complex Packages and distributes proteins Proteins are sent here from the ER Then a piece of Golgi membrane encloses the protein, pinches off, and is sent to another part of the cell or out of it Vesicles A bubble that surrounds some material in the cell in order to move it Lysosomes Destroy, get rid of waste, or protect Vacuole Digests Stores water Plants have a large central vacuole Recommended Viewing http://www.cellsalive.com/cells/cell_model. htm Organelle Function Table, p. 62