Across
- 3. bear genes
- 6. boundary of the cell
- 7. contains cell sap
- 8. control centre of the cell
- 9. production of chemical energy
- 10. site of photosynthesis
- 11. surrounds vacuole
- 12. green pigment
- 14. cell wall is made of this
- 15. units of heredity
Down
- 1. join amino acids to make proteins
- 2. bodies transport of materials
- 3. matrix in the cell
- 4. diffusion across a mambrane
- 5. Sites of protein synthesis
- 13. colourless plastid
- 14. flat sacs of golgi apparatus
