mutations transcrtiption factors repressors operons which is it your pick but i out mutations for this one maybe im wrong who knows?
a cell produces only the proteins it needs.
usually involves operons
A variety of genes are involved in the control of cell growth and division. The cell cycle is the cell's way of replicating itself in an organized, step-by-step fashion. Tight regulation of this...
The physical expression is called the phenotype.