(a) (a) DNA (b) More than one codon can code for the same amino acids. (c) First three bases.(b) (a) Ribosomes (b) More than one codon can code for the same amino acids. (c) First two bases.(c) (a) RNA (b) More than one codon can code for the same amino acids. (c) First two bases.(d)(a) Ribosomes (b) More than one codon can code for the same amino acids. (c) First Four bases.