Transmembrane proteins are found in the plasma membrane. Hydrophilic regions are embedded
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within the membrane, and Hydrophobic regions project from both surfaces of the bilayer.
</span><span> Approximately 20-80% of the cell membrane is composed of lipids, the rest, is made up of protein. The lipid layer of the membrane gives it flexible and permeable characteristic. While the protein part assists in transport of molecules it needs to survive.<span> </span></span>
Ten Percent Rule: What happens to the other 90% of energy not stored in the consumer's body? Most of the energy that isn't stored is lost as heat or is used up by the body as it processes the organism that was eaten
