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    k8lind's Avatar
    k8lind Posts: 1, Reputation: 1
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    #1

    Jul 16, 2008, 08:26 AM
    Cell membrane
    If you're a fat molecule forming the inner layer of a cell membrane, your head will face toward
    NeedKarma's Avatar
    NeedKarma Posts: 10,635, Reputation: 1706
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    #2

    Jul 16, 2008, 08:42 AM
    Ok, thanks.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #3

    Jul 17, 2008, 02:17 AM
    Huh?
    WVHiflyer's Avatar
    WVHiflyer Posts: 384, Reputation: 34
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    #4

    Jul 17, 2008, 10:56 PM
    Ya mean is it hydrophobic or not? I can't remember.



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    dumdum46's Avatar
    dumdum46 Posts: 2, Reputation: 1
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    #5

    Jul 28, 2008, 01:07 PM
    The watery environment outside the cell
    asking's Avatar
    asking Posts: 2,673, Reputation: 660
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    #6

    Jul 30, 2008, 07:13 PM
    The most important lipids (or fats) in a cell membrane are phospholipids. Phospholipids have a hydrophilic (water-loving) head and a hydrophobic (water-fearing) tail. In water, phospholipids can organize into sheets that are two layers thick. The oily tails of the lipids point inward toward one another, while the hydrophilic heads point outward.

    The diagram at Wikipedia shows the hydrophilic heads pointing outward into the aqueous environment, both inside the cell and outside. The space between the two layers is hydrophobic and so makes a good boundary between the inside of the cell and the outside of the cell.

    Lipid bilayer - Wikipedia, the free encyclopedia

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