The type of cell it appears in

This particle produces proteins secreted by the cell

Most secretory proteins a type of this protein

This particle is attached to the outer surface of endoplasmic reticulum

Many proteins are synthesized in this and then packaged into vesicles and transported to the Golgi apparatus

The membrane factory of the cell

It is located within this substance of the cell

Vesicles in transit from one part of the cell to another that

This assembles phospholipids from precursors in the cytosol