Which enzyme is required to initiate 5' capping of eukaryotic mRNA transcripts by removing the terminal phosphate group?
A) phosphodiesterase
B) adenylyl cyclase
C) ribozyme
D) methyl transferase
E) guanylyl transferase

Question

Quizplus · Accepted Answer

Guanylyl transferase is the enzyme required to initiate 5' capping of eukaryotic mRNA transcripts by catalyzing the addition of the GMP to the 5' end, which involves removing the terminal phosphate group from the pre-mRNA.

Which Enzyme Is Required to Initiate 5' Capping of Eukaryotic