Precursor
Substance – Type 1
What is it:
Type 1 – where the #1 C of
D-galactose (Gal) is linked with the
#3 C of N-acetylglucosamine (Glc) (b1 3)
Sugar molecules linked in a linear or branching form
that is attached to cell
membrane and serves as the attachment site for ABO and H antigen formation
What types are there:
RBC
Gal
Gal
Glc
Type 1
– is found in body secretions