No abstract available
MeSH terms
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Carbon Isotopes
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Chloroplasts / analysis*
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Enzymes
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Escherichia coli / cytology
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Phosphorus Isotopes
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Plant Cells*
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Plants / enzymology
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Plants, Edible / cytology
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RNA / analysis*
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Ribonucleases / metabolism
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Ribosomes / analysis*
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Ultracentrifugation
Substances
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Carbon Isotopes
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Enzymes
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Phosphorus Isotopes
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RNA
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Ribonucleases