Across
- 5. gives DNA its acidity
- 6. base-pairing rule
- 7. main sugar in the DNA molecule
- 8. the third component of DNA monomers
Down
- 1. means that two strands run in opposite direction to each other
- 2. link the two strands together
- 3. 3D shape of DNA
- 4. the building blocks of DNA
- 5. a molecule made up of repeating units
- 6. involved in single strand formation