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.
Definition. Gene regulation is the informal term used to describe any mechanism used by a cell to increase or decrease the production of specific gene products (protein or RNA).Cells can modify their gene expression patterns to trigger developmental pathways, respond to environmental stimuli, or adapt to new food sources.n example is the sigma factors used in prokaryotic transcription. 2. All genes have an upstream coding sequence called an operator. Repressor proteins can bind to an operator region and inhibit the ability of RNA polymerase to transcribe the gene. This causes decreased expression of a gene. 3.