Sentences with phrase «chemical signals given»

Not exact matches

Frangioni's team also reported that they've created another set of hydroxyapetite - spotting compounds that not only gives off an infrared signal but also harbors a gadolinium - based chemical group that gives off a strong signal in MRI machines.

Next, the researchers wanted to see if blocking the GluR1 receptors from receiving signals from the chemical messenger glutamate would allow the mice given alcohol to forget their fear by dissociating the emotional response from the memory.

Though the brain is better understood than it was a generation ago, Vorstman says, how its intricate dance of chemical and electrical signals gives rise to mind and personality remains mysterious.

«This suggests that males rather may be uniquely exploiting females» interest in food through their gift - giving behaviour,» says co-author Michelle Beyer, who adds that females might also have learnt to ignore chemical signals, because males deceive them about the quality of the food hidden in the silk - wrapped gifts presented to them.

According to Hay, who is chairman of the Working Party on Chemical and Biological Weapons, a group of experts that monitors progress on the weapons treaties, Britain could give a «positive signal to other states by ratifying sooner rather than later».

When Lin engineered the telomerase - expressing hepatocytes to die in response to a chemical signal and gave the mice with a liver - damaging chemical, he found that those animals in which the telomerase cells had been killed exhibited much more severe liver scarring than those in which the cells were functional.

He wants to know how the interplay of structural, chemical, and electrical signals in and between cells of nervous tissue gives rise to behavior.

Several types of chemical modifications of the five major histone protein families give rise to a complex «histone code» that signals the transcriptional machinery to turn genes on or off.

Although the production of chemical signals, their perception through olfactory processes, and the behavioral response to these signals plays a central role in domesticated cat communication and behavior (especially social behavior), the function, scope and importance of these abilities are often not given the same level of attention dedicated to other domesticated species (e.g. dogs or pigs), which may lead some to erroneously underestimate the significance of this communication modality in cats.