systems that activate the existing parking-brake cables or all-electric systems that activate each brake directly.
Categories that activate the same brain areas have similar colors.
"What are the pathways, the chemicals in the brain that activate those emotions?
The company Sirtris, meanwhile, has been testing resveratrol and other drugs that activate sirtuin.
"Receptors are present because the body makes compounds that activate them".
Keys that activate caps mode, numbers and symbols are arrayed along the bottom and sides.
Sirtris is seeking to develop drugs that activate protein agents known in people as sirtuins.
They brush against Plexiglas tags that activate the bells and shimmer beneath the brilliant blue sky.
Some foods also contain chemicals that activate enzyme production.
Mark Kahn and colleagues now identify upstream regulators that activate this pathway in brain endothelial cells.
Upon challenge, keratinocytes elaborate antimicrobial peptides, cytokines and chemokines that activate and recruit patrolling leukocytes.
