試題詳解

40. Which of the following statements about the RNA processing is FALSE?
(A) Not all of the nucleotides in the mature mRNA can be translated into proteins.
(B) Spliceosomes are composed of proteins and snRNAs.
(C) Modified guanosine is required for the capping of pre-mRNA.
(D) Methylation is required for the capping of pre-mRNA.
(E) PolyA polymerase adds 50-200 more adenines at the stop codon.