A Group of Cells Was Treated with a Proteolytic (Protein-Digesting)

question 4

Multiple Choice

A group of cells was treated with a proteolytic (protein-digesting) enzyme. Which of the following processes would be least affected by this treatment?

• A) Diffusion of Na⁺ through membrane channels
• B) Diffusion of lipid-soluble molecules through the plasma membrane
• C) Use of carrier molecules in facilitated diffusion
• D) Sodium-potassium exchange pump
• E) Secondary active transport

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