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    electric

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    #64898   2008-05-19 11:52 GMT      
    1. What is the thin covering called that allcells have?

    2. In addition to a cell membrane, what other cell boundary might some cells (such as plant cells) have?

    ChickenLicken

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    #64899   2008-05-19 11:58 GMT      
    1. cell membrane
    2. cell wall- only plants have cell wall

    Freedom

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    #64900   2008-05-19 11:58 GMT      
    1. ALL cells have a cell membrane.
    2. Cell Walls.

    Don't listen to the person above me. Fungi have cell walls of chitin, eubacteria have cell walls of peptidoglycan, plants have cell walls of cellulose, a lot of protists have cell walls (some of cellulose) and archaebacteria have another type of cell wall composition as well.

    Ayersrock

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    #64901   2008-05-19 11:58 GMT      
    1. Cell membrane
    2. Cell wall

    VinyLover

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    #64902   2008-05-19 12:40 GMT      
    1. cell membrane is present in all cells.
    2. plant cells have cellulosic cell wall
    fungi have chitinous cell wall
    bacteria have cellulosic cell wall covered with layers like glycocalyx and slime layer
    monerans have cell wall made of muco polysaccharides.
    animal cells do not have cell wall and gametes also do not have cell wall.

    Rob

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    #64903   2008-05-20 04:16 GMT      
    1. Cell membrane
    2. Cell wall
    > 1 <