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TAILS MEETING IN THE MIDDLE • ALSO PRESENT-CHOLESTEROL,GLYCOLIPIDS • ALLOWS FOR FAT alcohol-soluble MOLECULES TO DIFFUES THROUGH THE MEMBRANE PROTEINS IN MEMBRANE • MAY BE INTEGRAL(THROUGH TH MEMBRANE) OR PERIPHERAL(ON THE OUTISDE OR INSIDE JUST NOT IN) • TRANSMEMBRANE PROTEINS PROTRUDE THROUGH both(prenominal) ENDS OF MEMBRANE • GLYCOPROTEINS WHICH CONTAIN A CARBOHYDRATE realise A SUGARY COAT ON A MEMBRANE-THE GLYCOLAYX-MAKING THEM slimy Protein function • Ion channels- through the membrane that allow cunning ions to pass through • Carriers molecules that carry polar molecules from one situation to another • Receptors-molecules that serve as cell recognition sites • Enzymes catalyze reac tions at or high-priced cell surface ! • Linkers-that connect nearby cells • Cell identity markers account cell as “you” permeableness • SELECTIVELY semipermeable- MEMBRANE REFERS TO THE point THAT CELL MEMBRANE ALLOWS CERTAIN MOLECULES TO PASS FREELY THROUGH THE MEMBRANE patch OTHERS ARE RESTRICTED • LIPID LAYER IS PERMEABLE TO: OXYGEN, CARBON DIOXIDE AND STEROIDS. IMPERMEABLE TO POLAR MOLECULES SUCH AS GLUCOSE. approximately PERMEABLE TO SMALL POLAR MOLECULES WATER...If you want to create a full essay, order it on our website: BestEssayCheap.com

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