Across
- 3. Process by which plants convert light energy into chemical energy.
- 5. Organelle containing digestive enzymes.
- 8. Protein produced by the immune system to neutralize pathogens.
- 9. Maintenance of a stable internal environment.
- 10. Chemical messenger in the body.
- 13. Protein that speeds up chemical reactions.
- 14. Cluster of pigments and proteins that capture light energy.
- 15. Different forms of a gene.
Down
- 1. Movement of water across a semipermeable membrane.
- 2. Organelle known as the powerhouse of the cell.
- 4. Polysaccharide that makes up plant cell walls.
- 6. Structure of DNA and protein found in cells.
- 7. Organism with cells that have a nucleus.
- 11. Building block of DNA and RNA.
- 12. Genetic makeup of an organism.