Once proteins have been produced at the ribosomes, what two organelles work together to aid in the secretion process ?

Endoplasmic reticulum and Golgi body

Explanation:

The Endoplasmic Reticulum (ER) is a series of membrane found in the cell which can be either rough or smooth. Its the rough Endoplasmin Reticulum that has the ribosomes attached to it.

When a protein is made in the ER, a transition vesicle is made. This vesicle then travels through the cytoplasm to the Golgi body then which packs, transports and stores the contents of the vesicle.

After the Golgi body performs its function on the molecules inside the vesicle, a secretory vesicle is formed and released into the cytoplasm. Then it moves to the cell membrane and the molecules are released out of the cell.