Tunicamycin, is a drug which inhibits the synthesis of all N-linked oligosaccharides. When cells are treated with tunicamycin the following happen. Pick all the correct answers. Your answers should be in the form of a string of correct choices, eg. ABCDE . A. Proteins import into the mitochondria will be affected B. Protein folding in the mitochondria will be affected C. Co-translational import into the ER will be affected D. Protein folding in the ER will be affected E. Protein translation will be attenuated F. The ER-unfolded response will be activated