TV News LIES

Tuesday, Jan 23rd

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...


Amazon's first checkout-free grocery store opens on Monday

Amazon's first checkout free grocery in Seattle Amazon will open its first checkout-free grocery store to the public on Monday, moving forward with...

FCC approves first 'power-at-a-distance' wireless charging device

Wireless charger approved The Federal Communications Commission (FCC) on Wednesday for the first time approved a device that can...

Scientists invent double-pane solar windows powered by quantum dots

scientists invent double panel solar windowsResearchers at the Los Alamos National Laboratory have designed efficient and cost-effective solar windows by combining...

Ex-NASA astronaut Bruce McCandless, first to fly untethered in space, dies

Ex-NASA astronaaut Bruce McCandless, dies at 71Former NASA astronaut Bruce McCandless, the first person to fly untethered in space, died this week...
 
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!