Across
- 2. Base that pairs with cytosine
- 3. Large molecule made of repeating units
- 7. A cell with a nucleus
- 8. Base that pairs with thymine
- 9. Organelle that makes proteins
- 11. A macromolecule used for long-term energy storage
- 14. Base that pairs with guanine
- 17. Small unit that joins to form polymers
- 20. Base that pairs with adenine
- 21. A substance that increases reaction rate
- 23. Makes ribosomes inside the nucleus
- 24. Shape of the DNA molecule
- 25. Enzyme that builds new DNA strands
- 27. The molecule an enzyme acts on
- 28. Where the enzyme binds to the substrate
- 29. Change in enzyme shape that makes it stop working
Down
- 1. Protein that speeds up a chemical reaction
- 3. A cell without a nucleus
- 4. Jellylike fluid inside the cell
- 5. The process of copying DNA
- 6. The powerhouse of the cell
- 10. All the chemical reactions in an organism
- 12. Molecule that carries genetic information
- 13. The control center of the cell
- 15. A macromolecule that includes DNA and RNA
- 16. A macromolecule made of amino acids
- 18. Maintaining a stable internal environment
- 19. A macromolecule used for quick energy
- 22. Controls what enters and leaves the cell
- 26. Enzyme that unzips DNA