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Nucleoside effect on growth of galT mutant cells in M63 minimal medium containing glycerol (0.3%) and/or d-galactose (0.3%). Nucleosides (0.1 mM) and d-galactose were added at the same time at an OD of 0.3, as indicated by arrows. Error bars represent standard deviations. Abbreviations: A, adenosine; G, guanosine; U, uridine; C, cytidine; and Gal, d-galactose.
