These structures do exchange membrane material, however, via a special type of transport. Membranes and their constituent proteins are assembled in the ER. This organelle contains the enzymes ...

In addition to the nucleus, eukaryotic cells may contain several other types of organelles, which may include mitochondria, chloroplasts, the endoplasmic reticulum, the Golgi apparatus ...

The endoplasmic reticulum (ER) is the portion of the cell responsible for manufacturing and folding proteins. Proteins are ...

New proteins bound for outside the cell are manufactured on the endoplasmic reticulum (ER)—a snaking ... are delivered to and ingested by certain types of lysosomes when cells are starved ...