News tagged with building blocks
Model suggests how life's code emerged from primordial soup
Aug 07, 2009 |
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(PhysOrg.com) -- In 1953, Stanley Miller filled two flasks with chemicals assumed to be present on the primitive Earth, connected the flasks with rubber tubes and introduced some electrical sparks as a stand-in for lightning. ...
New understanding of the origin of galaxies
Jan 21, 2009 |
4.5 / 5 (15) |
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A new theory as to how galaxies were formed in the Universe billions of years ago has been formulated by Hebrew University of Jerusalem cosmologists. The theory takes issue with the prevailing view on how ...
Controlling the building blocks of life
Dec 10, 2008 |
4.4 / 5 (17) |
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(PhysOrg.com) -- A simple and reliable method for converting one of the simplest chemical entities into one of the most difficult-to-make molecular building blocks of life, with complete control over its shape, ...
When cells reach out and touch
May 01, 2009 |
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MicroRNAs are single-stranded snippets that, not long ago, were given short shrift as genetic junk. Now that studies have shown they regulate genes involved in normal functioning as well as diseases such as cancer, everyone ...
Cells get two chances, not just one, to fix their mistakes
Mar 12, 2009 |
5 / 5 (2) |
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Cells have two chances to fix the same mistake in their protein-making process instead of just one - a so-called proofreading step - that had previously been identified, according to new research.
Online collaboration with built-in clarity
Nov 06, 2009 |
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(PhysOrg.com) -- Software packages that interoperate while providing online users with an overview of their colleagues' work may finally threaten the dominance of email as the world's premier collaboration ...
Space Hand-Me-Downs
Space & Earth / Space Exploration
Sep 18, 2009 |
3.5 / 5 (6) |
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Molecules vital to life have been detected in outer space and isolated in meteorites and comets. Some of this material that rained down on Earth may have jump-started biology. If so, these space seeds also ...
Do 68 molecules hold the key to understanding disease?
Sep 04, 2008 |
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Why is it that the origins of many serious diseases remain a mystery? In considering that question, a scientist at the University of California, San Diego School of Medicine has come up with a unified molecular ...
Powerhouses in the cell dismantled
Oct 15, 2009 |
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All of life is founded on the interactions of millions of proteins. These are the building blocks for cells and form the molecular mechanisms of life. The problem is that proteins are extremely difficult to study, particularly ...
