Question 1
What two snRNPs combine to form the catalytic active site for intron splicing?
◦ U1 and U2
◦ U2 and U4
◦ U2 and U6
◦ U4 and U6
◦ U1 and U5
Question 2
Which class(es) of intron when removed from a transcript generate a lariat structure?
◦ Nuclear major introns only
◦ Group I introns only
◦ Group II introns only
◦ Nuclear major introns and group II introns
◦ Nuclear major introns, Group I introns, and Group II introns