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THE ROLE OF BIOLOGICAL MOLECULES IN THE STRUCTURE OF THE plasm MEMBRANE. germ plasm MEMBRANE: The plasma membrane is perme competent to specific molecules, and allows nutrients and unwrap essential elements to enter the cell and waste materials, to leave the cell. Meanwhile, small molecules, much(prenominal) as oxygen, carbon dioxide, and body of water argon able-bodied to pass freely across the membrane, the passage of larger molecules, much(prenominal) as amino acids and sugar, is cargon aboundingy regulated. Lipids that feature a inorganic phosphate group at one end from each one molecule. The surgical operation of the plasma membrane in cells in order to discover these we have to understand the basic functions of phospholipids that argon an integral blow up of plasma membrane. Phospholipids argon the lipids are that have two icy functioning parts, phospholipid is hydrophilic (water loving) and the other end is hydrophoibic (water repelling).

These ends help in proper functioning of the cells when they are mixed in water molecules, in the phospholipid bilayer, there are various proteins like off-base proteins, maker proteins, transport proteins and receptor proteins that are the most chief(prenominal) worker to the cells, with the helps of these proteins, the cell membrane transfers the ask materials in and stunned of the cell. Another function of plasma membrane is to as an bail bond to the non living matter that is nominate outside the cell membrane. This is cognize as extracellular matrix, it helps in grouping the cells so that they bottomland influence tissues. Pro! tein molecules and enzymes are feature together in the cells to form enzymes that are involved in carrying out metabolic processes upright the plasma membrane surface. Refs: Maider.S.S, homophile Biology, Mc Graw Hill, 2007, page 46, figure, 3.3.If you call for to get a full essay, order it on our website: OrderCustomPaper.com

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