What is the role of the glycosyltransferase enzyme in the synthesis of ABO blood group antigens?
A
It adds a galactose molecule to the antigen
B
It adds a fucose molecule to the antigen
C
It adds an N-acetylgalactosamine molecule to the antigen
✓
D
It adds a glucose molecule to the antigen
Explanation
The glycosyltransferase enzyme is responsible for adding an N-acetylgalactosamine molecule to the H antigen, resulting in the formation of the A antigen.
Source
Lecture Notes in Biochemistry
Hematology
Hematology: Blood Grouping and Crossmatching
Hematology: Blood Grouping and Crossmatching
Hard
MEDICAL
Confidence: high