Arrange the Steps in RNA Splicing in Order from Earliest

Multiple Choice

Arrange the steps in RNA splicing in order from earliest to latest. 1 - exon ends are covalently joined together
2 - components of the spliceosome bind conserved regions in the intron and bring them together in close proximity
3 - acceptor splice site is cut.
4 - donor splice site is cut and the end of the intron is joined covalently to the branch site

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