Abstract
The mRNA molecules from Xenopus laevis embryos represent polyribonucleotide chains of heterogeneous size transcribed from unique DNA sequences, each carrying a poly (A) stretch at the 3′ terminus and at the 5′ terminus, a fragment of 50 to 60 nucleotides transcribed from repeated DNA sequences.
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Dina, D., Meza, I. & Crippa, M. Relative positions of the ‘repetitive’, ‘unique’ and poly(A) fragments of mRNA. Nature 248, 486–490 (1974). https://doi.org/10.1038/248486a0
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DOI: https://doi.org/10.1038/248486a0
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