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Anonymous girl asked
14 year ago

the 5′-terminal cap structure of eukaryotic mrnas is a(n)

 
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  1. Rylee says:

    The 5′-terminal cap structure of eukaryotic mRNAs is a(n): 7-methylguanosine joined to the mRNA via a 5′ -> 5′ triphosphate linkage.

    Here’s a breakdown of the key components:

    • 7-methylguanosine: This is a modified guanine nucleotide with a methyl group attached at the 7th position.
    • 5′ -> 5′ triphosphate linkage: This is an unusual linkage that connects the 7-methylguanosine to the first nucleotide of the mRNA molecule. It’s different from the typical phosphodiester linkage used throughout the rest of the mRNA chain.
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