The number of base substitution possible in amino acid codons is

The number of codons that code different amino acids is

The amino acid coded by 3 codons is

The amino acid coded by 3 codons is

The number of stop codons which do not code for any amino acid is :

The number of stop codons which do not code for any amino acid is

With four bases the number of possible triplet codons is

If there are 34 amino acids and DNA contains only two nitrogenous bases, what would be the minimum number of bases per codon that code for amino acids?

Attempt titrating an amino acid against a weak base and discover the number of dissociating (ionizable) functional groups in the amino acid.