Across
- 1. disaccharide
- 4. determines if a hypothesis is correct
- 6. build up or break down of materials
- 8. krill
- 10. Ca,RN
- 13. many double bonds in the carbon chain
- 18. creates surface tension
- 19. produces sulfur compounds and carbohydrates
- 20. our entire world
- 21. deals with the natural world
- 22. electrons used in bonding
Down
- 1. need to test things to believe them
- 2. prosthetics or artificial hormones
- 3. necessary in relatively small amounts
- 5. study of DNA
- 7. name brands are better than generic
- 9. manipulated variable
- 11. important role in maintaining homeostasis
- 12. carbon-12, carbon-13
- 13. joining of monomers to form polymers
- 14. cannot create or destroy matter
- 15. basic unit of matter
- 16. bacteria becoming antibiotic resistant
- 17. genetic code
- 19. scientific attitude that may lead to discovery