Most K⁺ Is Located in the Cells,with Little K⁺ in the Tissue

question 64

Multiple Choice

Most K⁺ is located in the cells,with little K⁺ in the tissue spaces.What accounts for the movement of additional K⁺ into the cells?

• A)K+ in the tissue fluid diffuses into the cell.
• B)K+ enters the cell in response to facilitated diffusion.
• C)K+ is actively pumped into the cell.
• D)K+ enters the cell because of pinocytosis.

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