Across
- 3. the nucleotide that binds to adenine
- 5. every codon codes for a specific _______ _______
- 7. a term used to refer to every three nucleotides
- 9. DNA is tightly coiled to form a ___________
Down
- 1. the nucleotide that binds to cytosine
- 2. DNA nucleotides bind to each other by __________ base pairing
- 4. a sequence of DNA which controls formation of a single polypeptide
- 6. two DNA strands are twisted to form a ________ _______
- 8. every DNA molecule has a sugar, nitrogenous base and a ______ group