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[135] Propionibacterium , the other commonly used bacteria, produce no exotoxins or endotoxins and are generally recognized as safe (have been granted GRAS status) by the Food and Drug Administration of the United States

reinhardtii GSAAT, whereas only Cys190 is retained in the GSAAT of Chlorobium , a genus of green sulfur bacteria

In other words, while deficiency symptoms of cobalamin and cobalt are the same, a deficiency in cobalamin is a direct result of a deficiency in cobalt

What pernicious anemia actually is The stomach lining contains parietal cells that secrete intrinsic factor, a protein B12 must bind to before it can be absorbed in the small intestine

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