Cell Membrane1 - Cell Membranes Membrane Proteins In...

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Cell Membranes Membrane Proteins In addition to the lipid bilayer, the cell membrane also contains a number of proteins. We have already mentioned the presence of certain proteins in the cell membrane. In this section we will discuss the different classes of proteins found there. While the lipid bilayer provides the structure for the cell membrane, membrane proteins allow for many of the interactions that occur between cells. As we discussed in the previous section , membrane proteins are free to move within the lipid bilayer as a result of its fluidity. Although this is true for most proteins, they can also be confined to certain areas of the bilay er with enzymes. Membrane proteins perform various functions, and this diversity is reflected in the significantly different types of proteins associated with the lipid bilayer. Classifications of Membrane Proteins Proteins are generally broken down into the smaller classifications of integral proteins, peripheral proteins, and lipid-bound proteins. Integral Proteins
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This note was uploaded on 01/27/2012 for the course BIOLOGY BSC1005 taught by Professor Rodriguez during the Winter '09 term at Broward College.

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Cell Membrane1 - Cell Membranes Membrane Proteins In...

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