Nextdoor is the private social network for your neighborhood. On Nextdoor, neighbors create private groups for their neighborhoods where they can ask questions, get to know one another, and exchange local advice and recommendations.
Up-regulation is a process that occurs within a cell triggered by a signal (originating internal or external to the cell), which results in increased expression of one or more genes and as a result the protein(s) encoded by those genes.
In this way a single transcription regulator can control the expression of many different genes (Figure 8â17). Combinatorial Control Can Create Different Cell Types The ability to switch many different genes on or off using just one protein is not only useful in the day-to-day regulation of cell function.n Overview of Gene Expression 271made in reticulocytes, the cells that develop into red blood cells, but it cannot be detected in any other cell type.Many proteins in a cell are produced in such small numbers that they cannot be detected by the technique of gel electrophoresis.