In receptor-mediated endocytosis, receptor molecules initially project to the outside of the cell. Where do they end up after endocytosis?
A) on the outside of vesicles
B) on the inside surface of the cell membrane
C) on the inside surface of the vesicle
D) on the outer surface of the nucleus
E) on the ER

Question

Quizplus · Accepted Answer

In receptor-mediated endocytosis, the receptor molecules are initially on the outside of the cell but are then engulfed by the forming vesicle, bringing them inside the cell. Therefore, the receptors end up on the inside surface of the vesicle.

In Receptor-Mediated Endocytosis, Receptor Molecules Initially Project to the Outside