Six facts about
Endoplasmic reticulum manufactures substances in
the cell. It is a set of flattened membrane sheets.
Rough ER has ribosomes
attached to it. It manufactures proteins.
Smooth ER contains enzymes that manufacture fats,
phospholipids and steroids.
Endoplasmic reticulum transports the substances
made around the cell so that it can be exported.
Proteins for use in the cell are made by ribosomes
free in the cytoplasm.
Golgi bodies receive
substances from ER for export.