| A | B |
| organism's genetic material | DNA |
| change in the nucleotide sequence of a gene | mutation |
| molecule made of a nitrogen base, a sugar, and a phosphate group that forms the basic structural unit of DNA | nucleotide |
| process of copying a DNA molecule to make another DNA molecule | replication |
| ribonucleic acid that carries the code for making proteins | RNA |
| process of making mRNA from DNA | transcription |
| process of making a protein from RNA | translation |