& Villarejo, A.F. (2007). Un modelo empirico de adaptacion y uso de la Web. Utilidad, facilidad de uso y flujo percibidos. Cuadernos de Economia y Direccion de Empresa, 30, 153-179.Sa´nchez-Franco, M.J., Ronda´n, F.J. and Villarejo, A.F. (2007), "Un modelo emp...
Enzyme activity assays were performed on cell extracts from Escherichia coli and C. acetobutylicum harboring the subclone, and both AK and PTA activities were shown to be elevated. DNA sequence analysis showed that the pta and ack genes are adjacent in the clostridial chrom...