Please Put the Following Steps of Cap Synthesis in the Correct

question 23

Multiple Choice

Please put the following steps of Cap synthesis in the correct order.(1) N⁷ of the capping guanine is methylated.(2) The terminal phosphate is removed from the pre-mRNA.(3) A capping GMP is added to the pre-mRNA.(4) The 2'O-methyl group of the penultimate nucleotide is methylated.

• A)1,2,3,4
• B)1,4,3,2
• C)2,4,1,3
• D)2,3,1,4
• E)4,3,2,1

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Definitions:

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