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Vocab words

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Term
Definition
cell theory   States that all organisms are made up of one or more cells,the cell is the basic unit of life,and all cells come from other cells  
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Cell wall   Rigid structure that enclosed, supports, and protects the cells of plants, algae, fungi,and most bacteria  
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Cell membrane   Protective outer covering of all cells that regulates the interaction between the cell and the environment  
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Cytoplasm   Constantly moving gelatinlike mixture inside the cell membrane that contains heredity material and is the location of most of a cell's life processes  
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ribosome   Small structure on which cells make their own proteins  
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Organelle   Structure in the cytoplasm of eukaryotic cell that can act as a storage site, process energy, move materials, or manufacture substances  
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Nucleus   Organelle that controls all the actives of a cell and contains hereditarily material made of DNA  
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Chloroplast   Green, chlorophyll-containing, plant-cell organelle that captures light energy, which is used to make sugar  
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Mitochondrion   Cell organelle where food is broken down, which releases energy.  
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Endoplasmic reticulum   Cytoplasmic organelle that moves materials around in a cell  
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Golgi body   Organelles that sort and package cellular materials and transport them within the cell or out of the cell.  
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Tissue   Group of similar cells that work together to do one job.  
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Organ   Structure,such as the heart,made up of different types of tissues that all work together  
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Organ system   A group of organs working together to perform a certain function.  
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