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a protein molecule, transferrin, that is embedded in the plasma membrane recognizes iron molecules and causes the plasma membrane to fold in around the iron and take it into the cell. this is an example of



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This is an example of receptor mediated endocytosis process.

Here the protein molecule, transferrin acts as the receptor. A blood-plasma glycoprotein called transferrin is crucial to iron metabolism and is in charge of delivering ferric ions. The body's most significant ferric pool is transferrin. Iron is transported by the blood to a variety of tissues, including the bone marrow, spleen, and liver.

What is a receptor mediated endocytosis?

Macromolecules can enter cells via receptor-mediated endocytosis. Through this route, more than 20 distinct receptors can be internalized. While certain receptors are continuously internalized, others remain on the surface until a ligand is bound. In either scenario, the receptors pinch off to create clathrin-coated vesicles by sliding lateral into coated pits, which are invaginated portions of the plasma membrane surrounded by clathrin. These vesicles travel directly to the endosome.

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