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Title: Which of the following molecular movements is due to diffusion or osmosis? Post by: HELP1234 on Feb 8, 2015 Which of the following molecular movements is due to diffusion or osmosis?
A. The sodium-potassium pump pumps three sodium ions out of a neuron for every two potassium ions it pumps in. B. Cells of the pancreas secrete insulin into the bloodstream. C.When a plant cell is placed in concentrated salt water, water moves out of the cell. Title: Re: Which of the following molecular movements is due to diffusion or osmosis? Post by: seba on Feb 8, 2015 A, pumps are active transport of course.
C is a typical osmosis example. B is passive transport - diffusion. |