| 1. | All organisms have a triplet genetic code | 
| 2. | DNA is the genetic material of almost all living organisms | 
| 3. | The genetic code is degenerate but non-ambiguous | 
| 4. | The amino acids specified by particular triplets are almost always identical between any two organisms. | 
| 1. | UAC | 2. | UGG | 
| 3. | UUU | 4. | UAG |