If a cell has an increased need for a particular molecule already present in a higher concentration within the cell than in the extracellular fluid, the cell might use active transport, which usually moves molecules in a direction opposite to the one in which diffusion moves them. from inside outside the cell. in a direction that tends to bring about equilibrium. toward higher pH. in the same direction as diffusion moves them.
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Step 1: Active transport moves molecules against their concentration gradient, meaning from a region of low concentration to a region of high concentration. Show more…
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If a cell has an increased need for a particular molecule that is already present in a higher concentration within the cell than in the extracellular fluid, the cell might use active transport, which usually moves molecules?
Sri K.
Which of these is an example of active transport? A Glucose molecules move against the concentration gradient across the cell membrane with the help of ATP. B. Carbon dioxide molecules diffuse freely across the cell membrane. C. Water molecules move down the concentration gradient across the cell membrane with the help of a channel protein. D. Oxygen molecules become trapped inside the cell membrane with the help of ATP.
Madhur L.
Active transport is a way for molecules to move across the plasma membrane. When active, it requires concentration gradient and energy that the cell provides. Osmosis is not involved in active transport. Diffusion is when molecules of a substance move from a higher concentration to a lower concentration. The rate of diffusion is not affected by particle color. However, particle size, temperature, and concentration gradient do affect the rate of diffusion. If a patient is given an IV of pure water, their blood cells would burst, not shrink. The patient would not become rehydrated slowly. Instead, an outstanding level of medical care would be required to address the consequences of giving pure water intravenously.
Jonathan T.
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