Please Put the Following Steps of Cap Synthesis in the Correct

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