How do aquaporins differ from glucose symporters in their mechanisms for transporting substances across cell membranes?

• A. Aquaporins and glucose symporters both use active transport mechanisms.
• B. Aquaporins are specialized for passive water transport, while glucose symporters utilize secondary active transport.
• C. Glucose symporters form static pores similar to aquaporins but selective for sugar molecules.
• D. Both are primarily involved in pumping toxins out of cells.

Answer: (B)