A question of interest for biologists studying cell identity is what regulates the master regulator genes.
It is unknown what regulates the miR response after injury, and regulation might occur at many different levels because the response of cells to injury is extremely complex.
Studying these interactions and what regulates them can provide insights into global transcription regulation.
But what regulates DR4 function, or whether there are intracellular regulators specific to DR4 or DR5, is completely unknown.
And this, not conscious decisions about how many calories to take in over days or weeks, is what regulates body weight to keep it in a narrow range, he added.
This is what regulates breathing, digestion, blood-sugar levels, temperature, pancreatic function, immune responses to germs and so on, automatically and without the people concerned being conscious of these processes.
What regulates or determines the grain size distribution?
Tatar wanted to probe what regulates egg clutch size in the medfly.
New olfactory neurons are created throughout life, but until now, researchers haven't understood what regulates this neurogenesis.
"Understanding what regulates the ability of neurons to send out axons is key," says Nicholas Spitzer, a neurobiologist at the University of California, San Diego.
Although kidneys of equal size can vary 10-fold in nephron number at birth, discovering what regulates such variation has been hampered by a lack of quantitative parameters defining kidney development.
