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Experiments have been designed to test the possibility that, as with messenger RNA from animal cells, 7-methylguanosine may be bonded through a pyrophosphate bridge to the 5'-termini of messenger RNA molecules from the cells of a higher-plant organism. It is concluded that 7-methylguanosine is probably bonded through a pyrophosphate bridge to the 5'-termini of messenger RNA molecules from wheat leaves.
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Kennedy et al. (1975) studied this question.
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