The hormones insulin and erythropoietin (EPO) are both examples of vesicular proteins. The ER, Golgi apparatus, and lysosomes are all members of a network of membranes, but they are not continuous ...

Lysosomes are subcellular organelles that are mainly responsible for degradation of proteins internalized by cells by endocytosis and phagocytosis. Upon uptake, proteins and soluble components ...