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What has the author Mark Albert Scheideler written?
Mark Albert Scheideler has written: 'The regulation by opiate drugs of a gm3:n-acetylgalactosaminyltransferase activity present in the mouse neuroblastoma x rat glioma hybrid clonal cell line ng108-15'
Type O and type A blood makes what?
Type O is ii. The alleles are i and i. Type A is iIA. The alleles are i and IA. Thus, it can form either O or A. Type O blood is the absence of genes that code for transferases. Therefore the H substance (L-fucose) on the surface of RBCs remains unmodified. The A gene codes for the production of alpha-3-N-acetylgalactosaminyltransferase. This enzyme is responsible for adding N-acetyl-D-galactosamine to the H substance.
Type blood A has what characteristics?
Blood group A individuals will have Anti-B antibodies. Group A individuals make up 28% of the Asian population, 27% of the Black population, and 40% of the White population. The genes for group A are on chromosone 9, and the gene product is N-Acetylgalactosaminyltransferase, which transfers N-Acetylgalactosamine to an oligosaccharide chain on the surface of the red blood cell. 80% of group A people have both branched and linear oligosaccharide chains. 20% of group A people are a subgroup called A2, and the oligosaccharide chains are linear only. It is possible for an A2 individual to make Anti-A antibodies. Several other rare sub-groups of A also exist. Source: Basic & Applied Concepts of Immunohematology, Second Edition, by Kathy D Blaney and Paula r. Howard.
