Like the Golgi apparatus, this organelle contains flattened sacs known as cisternae, and this network of folded membranes is found in two forms depending on whether or not it contains ribosomes.
The immunoglobulin heavy chain binding protein, or BiP, is a component of this organelle. This organelle plays a key role in detoxification and production of lipids, and its internal space is known as the lumen. Like the Golgi apparatus, this organelle contains flattened sacs known as cisternae, and this network of folded membranes is found in two forms depending on whether or not it contains ribosomes. For 10 points, name this organelle which comes in smooth and rough varieties.
The immunoglobulin heavy chain binding protein, or BiP, is a component of this organelle.
endoplasmic reticulum [{or ER}]