Across
- 3. long chain molecules made of repeating units like beads on a string
- 4. made by humans not naturally occurring
- 5. natural polymer that carries genetic instructions
- 6. how parts are positioned or arranged in space
- 7. natural polymers made from amino acids that do many jobs in cells
- 9. harmful or poisonous to living things
- 11. break down into smaller parts over time
- 12. started by a signal like UV light or metal ions
- 13. plant material and natural polymer found in cell walls
Down
- 1. type of light that can activate plastic breakdown
- 2. harmful waste in the environment like plastic trash
- 5. ability to last and resist damage
- 8. natural polymer that helps make proteins
- 10. bond connection that holds atoms or molecules together