Which organelle adds carbohydrate groups to proteins produced at the endoplasmic reticulum?
Solution
The Golgi apparatus is the packaging and modification center for proteins produced at the endoplasmic reticulum.
The ER attaches a core oligosaccharide to the protein chain as it enters its lumen. But further modifications, additions, and removals of sugars happen in the Golgi apparatus, which ultimately determines the final structure of the carbohydrate groups on the protein.
