No abstract available
MeSH terms
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Animals
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Carbon Isotopes
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DNA / biosynthesis*
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Echinodermata / metabolism*
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Embryo, Nonmammalian / metabolism*
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Nucleosides / metabolism
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Protein Biosynthesis*
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RNA / biosynthesis*
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Tritium
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Valine / metabolism
Substances
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Carbon Isotopes
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Nucleosides
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Tritium
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RNA
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DNA
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Valine