Definition of dissatisfaction noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
SUMMARY. 1  Endoplasmic reticulum is an organelle found in both eukaryotic animal and plant cells. 2  The rough ER, studded with millions of membrane bound ribosomes, is involved with the production, folding, quality control and despatch of some proteins.
Next (Engine). The endoplasmic reticulum, or ER, is an organelle found in all eukaryotic cells. Within each cell it is a widely distributed membrane structure that serves as the the site for modification of proteins, manufacture of macromolecules and lipids, and the transfers substances throughout the cell.