Question

the movement of sacks filled with proteins from the golgi apparatus to the cell membrane where they are released is: endocytosis exocytosis pinocytosis phagocytosis

Explanation:

Exocytosis is the process where vesicles (sacks) fuse with the cell membrane to release their contents (like proteins) outside the cell. Endocytosis is the opposite (taking in substances). Pinocytosis is a type of endocytosis for taking in liquid. Phagocytosis is another endocytosis for engulfing solid particles.

Answer:

exocytosis