Across
- 2. building blocks of protein
- 5. Makes proteins
- 8. rigid layer of nonliving material that surrounds the cells of plants and some other organisms.
- 13. a very large molecule built from smaller chemical structures
- 19. a substance that takes part in and undergoes change during a reaction.
- 20. product A substance produced in a chemical reaction
- 22. A building block of DNA
- 23. reactant of an enzyme-catalyzed reaction
- 24. A part of the cell containing DNA and RNA and responsible for growth and reproduction
- 25. organelle responsible for packaging, modifying and sending proteins
Down
- 1. double helix
- 3. source of energy, structural component in plants
- 4. The range of pH and temperature in which an enzyme works best
- 6. the rate at which reactants change into products over time
- 7. energy needed to
- 9. the process by which molecules move from an area of higher concentration to an area of lower concentration
- 10. material across the cell
- 11. Compound containing carbon, hydrogen, and oxygen
- 12. surrounds the cell, is semipermeable
- 14. wall Prokaryote
- 15. small parts of the cell that do various works
- 16. organelle that supports the cell and is involved with structure
- 17. Diffusion of water through a selectively permeable membrane
- 18. A substance produced in a chemical reaction
- 21. made of amino acids