News tagged with cellular functions

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Biology May Not Be So Complex Afterall

(PhysOrg.com) -- Centuries ago, scientists began reducing the physics of the universe into a few, key laws described by a handful of parameters. Such simple descriptions have remained elusive for complex biological ...

Feb 24, 2010
3.7 / 5 (6) 1 | with audio podcast

Study reveals why certain drug combinations backfire

Combination drug therapy has become a staple for treating many infections. For instance, doctors treat extensively drug resistant forms of tuberculosis with one drug that breaks down the pathogen's protective barriers and ...

Nov 13, 2009
4.5 / 5 (4) 0

How protein receptors on cells switch on and off

Cornell researchers have provided new insight into the molecular mechanism underlying an essential cellular system. They have discovered how receptors on cell surfaces turn off signals from the cell's environment, ...

Jan 16, 2009
5 / 5 (3) 0

How microbes take out the trash

(PhysOrg.com) -- The molecular machinery bacteria use to rid themselves of toxic substances including antimicrobial drugs has been studied in detail by a UA-led team of researchers. A better understanding ...

May 10, 2011
5 / 5 (3) 1 | with audio podcast