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What is Which of the following moves rapidly across the membrane and explain in detail?
An impoant factor that determines how rapidly a substance diffuses through the lipid bilayer is the lipid solubility of the substance. For instance, the lipid solubilities of oxygen, nitrogen, carbon dioxide, and alcohol are high, and all these substances can dissolve directly in the lipid bilayer and diffuse through the cell membrane in the same manner that diffusion of water solutes occurs in a watery solution. The rate of diffusion of each of these substances through the membrane is directly propoional to its lipid solubility. Especially large amounts of oxygen can be transpoed in this way; therefore, oxygen can be delivered to the interior of the cell almost as though the cell membrane did not exist.Ref: Guyton; 9th edition; Chapter 4; Transpo of Substances Through Cell Membranes