Across
- 4. - Absorbs light energy for photosynthesis
- 7. - most chemical processes take place here, controlled by enzymes
- 8. - Contain haemoglobin to carry oxygen to the cells.
- 10. - contains genetic material, which controls the activities of the cell
- 12. - most energy is released by respiration here.
Down
- 1. - strengthens the cell
- 2. - Fertilises an egg cell female gamete.
- 3. - protein synthesis happens here
- 5. vacuole - filled with cell sap to help keep the cell turgid
- 6. - controls the movement of substances into and out of the cell
- 9. - contain chlorophyll, which absorbs light energy for photosynthesis
- 11. - Absorbs water and mineral ions from the soil