Respuesta :
Answer:
Endocytosis.
Explanation:
In endocytosis, the cell membrane forms a cup-like sac around the molecule, the two lips of the cup meet around the molecule so that a vesicle is formed by the separation of that part of the cell membrane.
D. Endocytosis
Exocytosis would be allowing a molecule out of the cell
Exocytosis would be allowing a molecule out of the cell