regulator in Biological Definition

Homeobox

... . The diagram to the right is a structural model of the Rattus norvegicus Pit-1 homeobox-containing protein (purple) bound to DNA. Pit-1 is a regulator of growth hormone gene transcription. Pit-1 is a member of the POU DNA-binding domain family of transcription factors so it can bind to DNA using ...

Homeostasis

... is essential to living things as the lack of it harms the genetic material. With regard to any parameter , an organism may be a conformer or a regulator . Regulators try to maintain the parameter at a constant level, regardless of what is happening in its environment. Conformers allow the ...

Lac repressor

... various types of proteins. But human cells need a way to select the appropriate recipes for the current ambient conditions. For this humans need regulator molecules that act like factory foremen. They monitor the environment and use the information to signal to the cell. An enhancer tells the cell to ...

Thermoregulation

... of heat. And in such animals as the dog, who do not perspire easily by the skin, respiration becomes far more important. But for man the great heat regulator is undoubtedly the skin, which regulates heat loss by its vasomotor mechanism, and also by the nervous mechanism of perspiration. Dilatation of the ...

Unsolved problems in biology

... the proteome proteins expressed by a cell or organ at a particular time and under specific conditions? What is the complete function of the regulator genes ? The building block of life may be a precursor to a generation of electronic devices and computers , but what are the electronic properties ...