The amino acid changes noted in Parts A-C are the result of changes in DNA sequence. 

For each of these amino acid changes, evaluate whether a single base change in the given codons could account for the change in the amino acid.

1. For which codon(s) could a single base change account for this amino acid change?
Alanine to Phenylalanine

2. For which codon(s) could a single base change account for this amino acid change?
Leucine to Glutamine