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.
Endoplasmic Reticulum. Endoplasmic reticulum is a continuous membrane, which is present in both plant cells, animal cells and absent in prokaryotic cells. It is the membrane of network tubules and flattened sacs, which serves a variety of functions within the cell.he space, which is present in the endoplasmic reticulum, is called as the lumen. A diagram of Endoplasmic Reticulum. In plant cell, the endoplasmic reticulum acts as a port for the entry of proteins into the membrane. It also plays a vital role in the biosynthesis and storage of lipids.