Across
- 3. and crick Worked together on studying the structure of dna
- 6. The addition of one or more nucleotide
- 7. A compound consisting of a nucleoside
- 9. Ribonucleic acid, a nucleic acid present in all living cells
- 10. Deoxyribonucleic acid which is in almost all living organisms
Down
- 1. Contributions to the discovery of the structure of dna\
- 2. A molecule is replaced by another atom or functional group
- 4. Basic physical and functional unit of heredity
- 5. A sequence of dna is left out during dna replication
- 8. Discoveries of dna’s structure
