Which of the Following Statements Concerning Sialic Acid Residues on Glycoproteins

Multiple Choice

Which of the following statements concerning sialic acid residues on glycoproteins is true?

A) Sialic residues on erythrocytes are recognized by lectins,leading to removal of the erythrocytes.
B) Sialic residues on ceruloplasmin are recognized by lectins,leading to removal of ceruloplasmin.
C) Sialic residues are removed by neuraminidases.
D) The anti-viral drug oseltamavir accelerates the removal of sialic acid residues.
E) Both A and B above