restricted) transduction The situation in which a particular phage will transduce only specific regions of the bacterial chromosome.

settings – self-contained classrooms, resource rooms, therapy rooms, segregated rooms

developed or designed for a special activity or function; "a specialized tool"

refers to differentiated occupations of people as reflected in distinctive activity areas on the mound

marked by or characteristic of specialization in a mechanical or scientific subject; "his specialized qualifications for the job"; "all kinds of specialized technical books"

Something which does only one job.