Proteins destined for extracellular release are packaged in specific vesicles. after packaging, the vesicles bud off and are stored in the cell until a signal is given for their release. when the appropriate signal is received they move towards the membrane and fuse to release their contents.

the cellular organelle, involved in the process described above, is the

a) nucleus
b) ribosomes
c) mitochondria
d) golgi apparatus