title: Problem-solving test: Attenuation: a mechanism to regulate bacterial tryptophan biosynthesis.
abstract: Terms to be familiar with before you start to solve the test: tryptophan, transcription unit, operon, trp repressor, corepressor, operator, promoter, palindrome, initiation, elongation, and termination of transcription, open reading frame, coupled transcription/translation, chromosome-polysome complex.
authors.affiliation: Department of Medical Biology, Medical School, University of Pécs, Pécs H-7624, Hungary. jozsef.szeberenyi@aok.pte.hu.
authors.forename: József
authors.initials: J
authors.lastname: Szeberényi