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robs13
ANSWERS: 2
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The basic structure consist of a phospholipid bilayer. Lipids consist of a head and a tail 0=, and have a polar head and non-polar tail. They arrange themselves like so 0==0
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The cell membrane regulates what enters and exits the cell. The cell membrane provides protection and support. The cell membrane is a thin flexible barrier. The cell membrane’s composition is called a lipoid bilayer it is a double layered sheet. That is what gives the cell membrane a flexible structure. Cell membranes contain protein molecules also and carbohydrates are attached to many of the proteins. The cell membrane is called a mosaic of different molecules. Some proteins form channels and pumps that help move material across the cell membrane. The membrane separates the cell form everything else. A cell membrane has different functions for the different organelles of the cell. The cell membrane is made up of lipids, proteins, and carbohydrates. Unsaturated fatty acids are important in the fluidity of the cell due to temperature change. A cell membrane is mainly held together by hydrophobic interactions.
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