Q 14

Which sequence has a purine base at the 3' end?
A)TCTAG
B)AUCCT
C)GUGCCU
D)CCTTC

Q 15

Which sequence is not possible?
A)GAGAA
B)TAGGG
C)UTAGA
D)CCCCC

Q 16

How many different trinucleotides can be formed from one guanine, one uracil, and one adenine?
A)1
B)3
C)6
D)18
E)27