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23 Nov 2019

The process by which molecules such as glucose are moved into cells along their concentration gradient (from high concentration to low concentration) with the help of membrane-bound transport proteins is called A. osmosis. B. endocytosis. C. Primary active transport. D. exocytosis E. facilitated diffusion.

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Hubert Koch
Hubert KochLv2
27 Jun 2019
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Related questions

Read the following scenarios and indicate which of the following processes they describe.

11. Sodium molecules move randomly around a solution of sodium chloride in water, frequently colliding with other sodium ions and chloride ions. secondary active transport diffusion osmosis facilitated diffusion primary active transport

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14. Water molecules move into the cytosol of a cell placed in pure water. facilitated diffusion osmosis secondary active transport primary active transport

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16. The action of sodium-potassium pumps moves sodium ions (Na+) out of a cell and potassium ions (K+) into a cell. facilitated diffusion secondary active transport osmosis primary active transport

17. Glucose molecules move into cells lining the intestine against their concentration gradient driven by the movement of sodium ions (Na+) into the cells down their concentration gradient. osmosis secondary active transport primary active transport facilitated diffusion

18. A beaker of water is separated by a selectively permeable membrane that allows the passage of water but not ions. A solution of 4% sodium chloride (NaCl) is placed on one side of the membrane and pure water is placed on the other side of the membrane. The solutions are allowed to equilibrate. At this point, which process is going on? facilitated diffusion osmosis secondary active transport primary active transport

Cells lining your stomach use ATP to pump large numbers of H+ ions against their concentration gradient (from low concentration to high concentration) into the stomach via this process: A. active transport B. receptor-mediated transport C. osmosis D. facilitated diffusion

Digested lipids enter gut epithelial cells from the gut lumen through which of the following processes? Answer any that apply.

Multiple answers: You can select more than one option

a)facilitated diffusion

b)secondary active transport

c)primary active transport

d)endocytosis

e)exocytosis

f)simple diffusion

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