The underlying molecular basis for distinguishing blood-group antigens A, B and O is _____ at the erythrocyte surface
a. the presence or absence of fucose in glycolipids
b. differences in the oligosaccharide attached to the lipid ceramide
c. structural polymorphisms in the Rhesus D antigen
d. the levels of MHC class I and class II molecules.
B
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A) True B) False
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a. anti-depressants b. anti-inflammatory c. anesthetics d. analgesics e. abortifacients
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a. True b. False Indicate whether the statement is true or false