The codons for the amino acid phenylalanine are UUU and UUC. The anticodon for tRNA for phenylalanine is ______ and can recognize these 2 codons for phenylalanine due to the _________.
a) AAA; complementary base pairing
b) TTT; codon-anticodon interaction
c) AAA; genetic mutation
d) GGG; mRNA processing