People who have the O blood type possess ________.
A)an enzyme that adds an N-acetylgalactosamine to the end of the oligosaccharide chain on RBC membrane glycolipids
B)an enzyme that adds a galactose to the end of the oligosaccharide chain on RBC membrane glycolipids
C)an enzyme that adds phospholipids to the end of the oligosaccharide chain on RBC membrane glycolipids
D)no enzymes capable of attaching galactose or N-acetylgalactosamine to the end of the oligosaccharide chain on RBC membrane glycolipids
E)both an enzyme that adds an N-acetylgalactosamine to the end of the oligosaccharide chain on RBC membrane glycolipids and an enzyme that adds a galactose to the end of the oligosaccharide chain on RBC membrane glycolipids

Question

Quizplus · Accepted Answer

People with type O blood do not have the enzymes required to attach either galactose or N-acetylgalactosamine to the end of the oligosaccharide chain on RBC membrane glycolipids, which is why they are considered the universal blood donor.

People Who Have the O Blood Type Possess ________