Which of the Following Statement About Glycoproteins Is True

Multiple Choice

Which of the following statement about glycoproteins is true?

A) They are common in the cytoplasm of eukaryotic cells.
B) They are formed after translation of the protein in the cytoplasm.
C) They may be incorporated into plasma membranes.
D) The sugars are added to the proteins solely in the endoplasmic reticulum.
E) Sugar addition to proteins has no signaling function.