BIOLOGY

Biology

Biology

The plasma membrane is a very thin lipid-rich membrane analogous to a lather bubble. Some compounds (for demonstration, oxygen or carbon dioxide) that dissolve both in water and lipid diffuse without coercion across the plasma membrane. Other compounds, encompassing ions like sodium or potassium, and larger molecules like glucose, will not diffuse gladly through the membrane. They cross either through special pores or passages" in the membrane, or via focused protein carriers or pumps. Membrane is any dainty sheet that divides one region from another blocking or allowing (selectively or absolutely) the route of matters. The skin, for demonstration, ...