During 5' end capping ______________ cleaves GTP to produce GMP and pyrophosphate (PPi) and attaches the 5' carbon of the GMP molecule to the 5' carbon on the nucleotide at the 5' end of the pre-mRNA transcript. [An unusual 5' to 5' covalent bond is formed. there are 3 phosphate groups between the two adjacent nucleotides.

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