Across
- 2. Essential element for respiration
- 6. Carries genetic instructions in cells
- 9. An individual living entity
- 10. Song by The Beatles
- 14. Unit of heredity
Down
- 1. A large plant with a trunk
- 3. Nerve cell that transmits signals
- 4. A base in RNA not found in DNA
- 5. Carrier of genetic information
- 7. Smallest unit of matter
- 8. Organism that can photosynthesize
- 11. Group of organisms that can interbreed
- 12. Protein that acts as a catalyst
- 13. Basic unit of life