Which of the following lists the events that occur in splicing of mRNA in the correct order?
a) Cutting at 3' splice site, cutting at 5' splice site and formation of lariat in intron
b) Cutting at the 5' splice site, formation of lariat in intron and cutting at the 3' splice site
c) Cutting at 3' splice site, formation of lariat in intron and cutting at the 5' splice site
d) Formation of lariat in the intron, splicing at the 3' splice site and cutting at the 5' splice site