This is supported by the following statements:
- Both DNA and RNA nucleotides have the nitrogenous bases adenine, cytosine, and guanine.
- Both DNA and RNA are involved in the "Central Dogma" of biology.
- Both DNA and RNA contain monosaccharide sugars on their respective nucleotides.
- Both DNA and RNA can carry messages, act as enzymes and are part of ribosomes.
- Both DNA and RNA cover phosphate groups on their respective nucleotides.