Answer :
The way in which the endomembrane system work together with the ribosomes is that it takes proteins out of the cell. The correct option among all the options that are given in the question is the first option or option "A". I hope that this answer has come to your help.
Answer: Takes protein out of the cell
Explanation: All the proteins are synthesized in the ribosomes and then it is transported to various organelles.
The protein molecules are transported to the endoplasmic reticulum for further modification and this transportation of protein is carried out by the endomembrane system.
Hence, the endomembrane system and ribosomes work together.