Ribosomes That Do Not Anchor on the Surface of the Rough

Multiple Choice

Ribosomes that do not anchor on the surface of the rough endoplasmic reticulum during translation most probably

A) are synthesizing cytoplasmic proteins.
B) have a defect in ribosomal proteins that allow attachment to the surface.
C) have a signal peptidase error.
D) do not make the appropriate anchor protein.
E) all of the above