Operones y regulacion genica en las bacterias biologia khan. Your browser does not currently recognize any of the video formats available. In genetics, an operon is a functioning unit of genomic dna containing a cluster of genes under the control of a single regulatory signal or promoter. It was thought that polycistronic transcription is a characteristic of bacteria and archaea, where many of the genes are clustered in operons composed of two to more than ten genes. Replicacion del dna en eucariotas y procariotas flashcards. Operones regulados por represion por catabolito suelen tener promotores ineficientes o debiles doble control.
This paper is an invitation to take the celebration of the lac operon model. Start studying replicacion del dna en eucariotas y procariotas. Estos virus no portan cap en su extremo 5 y no requieren a eif4e. Sites located in the middle of reading frames of lacz, lacy and. The genes contained in the operon are either expressed together or not at all. Regulacion genica en celulas procariotas ck12 foundation. Celulas procariotas las celulas procariotas estructuralmente son las mas simples y. Miguelbiologia globalbiologiaseccion 33 capitulo 15.