A continent is what floats on top of the plate. There are continental and oceanic plates. The continents float on the continental plate and the ocean sits on the oceanic plate â¦ . But there are also plates that carry both continents and oceans.
Definition of Control (genetic). Control (genetic): The control of gene expression. Genetic control may be on the transcriptional or translational level. Transcriptional control works by controlling the number of RNA transcripts of a region of DNA, indirectly controlling protein synthesis.
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.