The ability to evolve is a key characteristic that distinguishes living things from non-living chemical compounds. The construction of an evolvable cell-like system entirely from non-living molecules ...
初期地球の気温条件で広くみられる単純な媒質である氷の物理化学的性質が、膜をもつ原始細胞の出現に先立ってこの転換 ...
Morning Overview on MSN
RNA strand that nearly self-replicates could unlock life’s origin
A 45-nucleotide strand of RNA can now synthesize both its mirror-image complement and a copy of itself, bringing scientists ...
A strand of RNA just 45 nucleotides long has been discovered to perform two key reactions required for self-replication. The ...
Scientists discover QT45, a self-replicating RNA molecule, offering insights into the origins of life on Earth.
New Scientist on MSN
RNA strand that can almost self-replicate may be key to life's origins
Life may have begun when RNA molecules began to replicate themselves, and now we’ve finally found an RNA molecule that is very close to being able to do this ...
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." For 400 million years, a leading hypothesis claims, Earth was an “RNA World,” meaning that life must’ve ...
Chemists at UCL and the MRC Laboratory of Molecular Biology have demonstrated how RNA (ribonucleic acid) might have replicated itself on early Earth – a key process in the origin of life. Scientists ...
Researchers at the MRC Laboratory of Molecular Biology in Cambridge have discovered a ribozyme that is shockingly small, yet ...
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