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Transporter Proteins

Meaning

Transporter proteins are specialized membrane-spanning proteins that facilitate the movement of specific molecules, such as ions, nutrients, waste products, and hormones, across the hydrophobic lipid bilayer of cell membranes. These proteins are essential for maintaining cellular homeostasis, enabling the uptake of necessary substances and the efflux of toxins or signaling molecules. Their function is tightly regulated and represents a critical control point in the overall kinetics of hormonal action and metabolism.