Across
- 3. a nucleotide
- 7. a cell divedes in smaller cells
- 8. a rigid layer
- 10. a thin membrane
- 13. a syntheize proteins
- 14. a semipermeanble membrane
- 15. a energy production
Down
- 1. a long linear polymer
- 2. a radiant energy
- 4. a fluids or gases to pass
- 5. a metabolic
- 6. a organel
- 9. a functional unit of all organisms
- 11. that carries genes
- 12. a disperising something