NCAMs,a Group of Cell-Adhesion Proteins Belonging to the Ig Superfamily

Multiple Choice

NCAMs,a group of cell-adhesion proteins belonging to the Ig superfamily:

A) are more heavily sialylated in embryonic tissues than in adult tissues.
B) bind to proteoglycans.
C) mediate Ca²⁺-dependent cell-to-cell binding.
D) all of the above