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Growth rates of E. coli JM101 after addition of different amounts of pseudocumene, 3,4-dimethylbenzyl alcohol, 3,4-dimethylbenzaldehyde, or 3,4-dimethylbenzoic acid. After entering exponential growth, a 400-ml culture was split into 40-ml subcultures, to which different amounts of the substance of interest were added. Experimental details are described in Materials and Methods.
