ScienceJohn Michels (Journalist) 1959 |
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Стр. 249
... acid 1.5 Formic acid 233 . 15 . 13 . 2.0 1.5 Acetic acid Propionic acid Urea N - Methyl urea amines and amino acids through the ac- tion of x - rays on various mixtures of CH4 , CO2 , NH3 , N2 , H2O , and H2 . A small yield of amino acids ...
... acid 1.5 Formic acid 233 . 15 . 13 . 2.0 1.5 Acetic acid Propionic acid Urea N - Methyl urea amines and amino acids through the ac- tion of x - rays on various mixtures of CH4 , CO2 , NH3 , N2 , H2O , and H2 . A small yield of amino acids ...
Стр. 425
... amino acids . In explaining the fact that cultured cells require arginine , cyst ( e ) ine , gluta- mine ( or a precursor amino acid ) , histi- dine , and tyrosine , a final possibility may be considered : that most body cells do in ...
... amino acids . In explaining the fact that cultured cells require arginine , cyst ( e ) ine , gluta- mine ( or a precursor amino acid ) , histi- dine , and tyrosine , a final possibility may be considered : that most body cells do in ...
Стр. 426
... acids are con- centrated by the cell approximately five- to tenfold . The degree to which the am- ino acid can be ... amino acids . Recent observations indi- cate that the synthesis of poliovirus by the HeLa cell requires the presence ...
... acids are con- centrated by the cell approximately five- to tenfold . The degree to which the am- ino acid can be ... amino acids . Recent observations indi- cate that the synthesis of poliovirus by the HeLa cell requires the presence ...
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