What is the significance of receptor-mediated endocytosis in cellular transport?

• A. Receptor-mediated endocytosis allows cells to selectively uptake specific molecules by binding them to receptor proteins.
• B. Receptor-mediated endocytosis uses ATP to transport molecules against their concentration gradient.
• C. Receptor-mediated endocytosis is a form of exocytosis that releases molecules from the cell.
• D. Receptor-mediated endocytosis is a non-selective process that allows any molecule to enter the cell.

Answer: (A)