When Comparing Transcytosis of IgA in Tears and IgG in Neonates,which

Multiple Choice

When comparing transcytosis of IgA in tears and IgG in neonates,which of the following is NOT true?

A) Both processes involve transport into and back out of an epithelial cell.
B) Both processes require recognition of the immunoglobulin by a cell surface receptor.
C) Both processes result in cleavage by proteolysis to release the bound immunoglobulin.
D) Both processes rely on vesicle trafficking within a cell.