The enzyme polynucleotide phosphorylase randomly assembles nucleotides into a polynucleotide polymer. you add polynucleotide phosphorylase to a solution containing the ndp nucleotides adenine and guanine. the resulting artificial mrna molecule would have ____ possible different codons if the code involved two-base sequences and ____ possible different codons if the code involved three-base sequences.
a. 2; 3
b. 2; 4
c. 4; 8
d. 4; 16
e. 16; 64