TV News LIES

Thursday, Jul 28th

Last update05:20:13 AM GMT

You are here News Science Chemical basis for first life theorized

Chemical basis for first life theorized

molecules of lifeIt's a chicken-and-the-egg puzzle: How could the basic biochemicals like amino acids and nucleotides have come about when there were no catalysts, like proteins or ribosomes, around to create them? Now scientists propose that a third type of catalyst could have jumpstarted metabolism and life itself, deep in hydrothermal ocean vents, an article in The Biological Bulletin says.

The scientists' theory says molecular structures involving transition metal elements -- iron, copper, nickel, etc. -- and ligands -- small organic molecules -- could have catalyzed the synthesis of basic biochemicals, monomers, that acted as building blocks for more complex molecules, leading ultimately to the origin of life.

"There has been a big problem in the origin of life (theory) for the last 50 years in that you need large protein molecules to be catalysts to make monomers, but you need monomers to make the catalysts," Harold Morowitz of George Mason University in Virginia says.

However, he suggests, "You can start out with these small metal-ligand catalysts, and they'll build up the monomers that can be used to make" the large protein catalysts.

More...


Most Recent Related Stories...


Super telescope finds hundreds of previously undetectable galaxies

Galaxies discoveredA South African radio telescope has revealed hundreds of galaxies in a tiny corner of the...

Large Hadron Collider finds three new particles, confirms fourth

Hadron Collider finds three new particlesEurope's largest particle accelerator, the Large Hadron Collider, is back in action. According to two newly...

16-million-year-old planet with three suns discovered

16 million year old planetThe far-off planet, located about 320 light years from Earth in the constellation Centaurus, is unlike...

Juno probe enters into orbit around Jupiter

Juno probeThe US space agency has successfully put a new probe in orbit around Jupiter.The Juno satellite,...
 
America's # 1 Enemy
Tee Shirt
& Help Support TvNewsLIES.org!
TVNL Tee Shirt
 
TVNL TOTE BAG
Conserve our Planet
& Help Support TvNewsLIES.org!
 
Get your 9/11 & Media
Deception Dollars
& Help Support TvNewsLIES.org!
 
The Loaded Deck
The First & the Best!
The Media & Bush Admin Exposed!