in spite of this high uptake , the rate of d-glucosamine incorporation into macromolecules was decreased by 60 % and the carbohydrate content of membranes ( mannose , galactose , n-acetylglucosamine , n-acetylgalactosamine , and sialic acid ) from clone ad6 was diminished by 40 to 60 % .
C0017718
glucosamine
C0001056
n-acetylglucosamine