Biochemical and genetic studies with nitrate reductase C-gene mutants of Escherichia coli J. R. Guest OriginalPaper Pages: 285 - 297
Unimpaired repressibility of transcription of the operator-proximal eighth of the first (E) gene of the tryptophan operon in Escherichia coli Fumio Imamoto OriginalPaper Pages: 298 - 305
Biochemical and genetic classification of riboflavine deficient mutants of Saccharomyces cerevisiae O. OltmannsA. BacherF. K. Zimmermann OriginalPaper Pages: 306 - 313
Response of ad-2 mutants of Saccharomyces cerevisiae to carbon dioxide Robin Arthur Woods OriginalPaper Pages: 314 - 316
The caryological analysis of plants regenerated from tumorous and other callus cultures of tobacco M. D. SacristánG. Melchers OriginalPaper Pages: 317 - 333
Réversion à haute fréquence d'un gène nicotinique moins chez le Coprinus radiatus J. L. Guerdoux OriginalPaper Pages: 334 - 343
Etude de l'action de l'acide nitreux sur le DNA transformant d'Haemophilus influenzae M. R. ChevallierM. L. Greth OriginalPaper Pages: 344 - 360
Structural elements of viral ribonucleic acid and their variation K. W. Mundry OriginalPaper Pages: 361 - 377
