ScienceJohn Michels (Journalist) 1951 |
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Стр. 327
... TRYPTOPHAN Cells adapted ( + ) or unadapted ( - ) to oxidize L - tryptophan D - tryptophan T ( 1 ) A few strains of this group can oxidize D - tryptophan at a low rate ( 20 % or less of the rate at which they oxidize L - tryptophan ) ...
... TRYPTOPHAN Cells adapted ( + ) or unadapted ( - ) to oxidize L - tryptophan D - tryptophan T ( 1 ) A few strains of this group can oxidize D - tryptophan at a low rate ( 20 % or less of the rate at which they oxidize L - tryptophan ) ...
Стр. 328
... tryptophan and L - kynurenine of the substrates tested ( Table 1 ) . Spec- trophotometric analysis of the supernatant liquid from a reaction vessel in which tryptophan had under- gone oxidation suggested the accumulation of a mix- ture ...
... tryptophan and L - kynurenine of the substrates tested ( Table 1 ) . Spec- trophotometric analysis of the supernatant liquid from a reaction vessel in which tryptophan had under- gone oxidation suggested the accumulation of a mix- ture ...
Стр. 329
... tryptophan falling to 5 , 3 , or even 2 atoms . The oxidation of tryp- tophan catalyzed by such aged or diluted preparations involves the steps discovered recently by Knox and Mehler ( 11 ) for the dissimilation of tryptophan to ...
... tryptophan falling to 5 , 3 , or even 2 atoms . The oxidation of tryp- tophan catalyzed by such aged or diluted preparations involves the steps discovered recently by Knox and Mehler ( 11 ) for the dissimilation of tryptophan to ...
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AAAS absorption acetone acid activity American amino acids Ammonoidea animals Annual Antabuse applied appointed Association autoxidation awarded Bentley Glass Biochem Biol biological blood Cancer cells Chem chemical Chemistry Chicago chlorophyll chloroprocaine clinical colchicine College concentration cortisone culture density Department diet director Division effect Engineering enzyme epidermis erythrocytes experimental experiments field Fraction Geology growth Health Ibid inhibition injection Institute investigation Laboratory liver material measured mechanism Medical Medicine ment metabolism method muscle National nuclear nuclei observed obtained organic oxidation penicillin physical Physiol physiology plant plasma potassium present procaine production professor rats reported samples School Science scientific scientists Sept serum Society soil solution substances Table technique temperature thiouracil tion tissue tryptophan tube tumors Univ University University of Minnesota uracil uraninite vitamin B12 y-globulin York