regulator

Unsolved problems in biology

...c 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 of DNA? Does Junk DNA function as molecular garbage? Consciousness / Self . What is it? Why...

Thermoregulation

...es 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 cutaneous vascular areas leads to a larger flow of blood through the skin, and so tends to cool the bo...

Lac repressor

...e 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 crank up production of a particular substance. A repressor tells the cell to reduce production. The fi...

Homeostasis

...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 environment to determine the parameter. For instance, endothermic animals maintain a constant body tempera...

Homeobox

...ntaining 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 both the POU domain and the homeodomain. Homeobox genes have even been found in fungi, for example the...