BIOLOGY HIGH SCHOOL

In a cell, the difference in ion concentration between the intracellular and extracellular fluids results from a. active ion transport. b. passive diffusion of ions. c. bulk movements of intracellular and extracellular fluids. d. both active ion transport and passive diffusion of ions.

Answers

Answer 1
Answer:

Answer:

D. Both a and b

Explanation:
Answer 2
Answer:

Final answer:

The difference in ion concentration between the intracellular and extracellular fluids in a cell is due to both active ion transport and passive diffusion of ions.

Explanation:

The difference in ion concentration between the intracellular and extracellular fluids in a cell is primarily due to both active ion transport and passive diffusion of ions. Active ion transport refers to the movement of ions across the cell membrane using energy, such as through ion pumps or channels. Passive diffusion, on the other hand, occurs when ions move down their concentration gradient without the need for energy.



For example, the sodium-potassium pump actively transports three sodium ions out of the cell for every two potassium ions it brings in. This creates a higher concentration of potassium ions inside the cell compared to outside. Meanwhile, passive diffusion allows ions like chloride, calcium, and potassium to move across the cell membrane through ion channels, either facilitated by a concentration gradient or electrical potential.



In summary, the difference in ion concentration between the intracellular and extracellular fluids in a cell is due to both active ion transport and passive diffusion of ions.

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Answers

Answer:

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Explanation:

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Answers

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Answers

Answer:

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Answers

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Explanation:

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Answers

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