2. bow down-bend one's knee or body, or lower one's head; He bowed before the King; She bowed her head in shame. bow. conge, congee-perform a ceremonious bow. gesticulate, gesture, motion-show, express or direct through movement; He gestured his desire to leave.
Sections. Definition. Gene regulation refers to the mechanisms that act to induce or repress the expression of a gene. These include structural and chemical changes to the genetic material, binding of proteins to specific DNA elements to regulate transcription, or mechanisms that modulate translation of mRNA. News and Comment.
Mechanisms of gene regulation include: 1  Regulating the rate of transcription. 2  Regulating the processing of RNA molecules, including alternative splicing to produce more than one protein product from a single gene. 3  Regulating the stability of mRNA molecules. 4  Regulating the rate of translation.