Dna

DNA in all uppercase refers to deoxyribonucleic acid (but also see DNA (disambiguation)).

dna in all lowercase AND italicized refers the genes that encode enzymes involved in DNA replication:

• dnaA
• dnaB
• dnaC
• dnaG

Dna with the first letter capitalized refers to the enzymes involved in DNA replication:

• DnaA
• DnaB
• DnaC
• DnaG

DNA also may refer to Douglas Noël Adams.