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On the origin of excess heavy xenon in primitive chondrites

✍ Scribed by M.W. Rowe


Book ID
118883021
Publisher
Elsevier Science
Year
1968
Tongue
English
Weight
890 KB
Volume
32
Category
Article
ISSN
0016-7037

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On the Dimerization of the Primitive tRN
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RNAs that catalyse their own aminoacylation have been recently selected in vitro. These findings support the notion that the primitive aminoacyl-tRNA synthetases may have been RNAs. In this paper, we propose a structural model for the first aminoacyl-tRNA synthetase consisting of an RNA complex form