Briefly describe the different forms of transport across a cell membrane ie; how a molecule moves...

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Briefly describe the different forms of transport across a cellmembrane ie; how a molecule moves across the membrane, and giveexamples. What is the sodium-potassium pump and why is itimportant? What is the difference between primary and secondaryactive transport? What is a secondary messenger and give anexample?

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different forms of transport across a cell membrane are 1Passive Transport aSimple Diffusion bFacilitated Diffusion 2Active Transport aPrimary Active transport bSecondary active transport Simple diffusion and Facilitated diffusion are passive transports in which ATP is not used Simple diffusiondiffusion of substances through a membrane without requiring any help from    See Answer
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