Why do jellyfish produce fluorescent proteins?

Related questions

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4. What is blue fluorescent protein?
5. What is Mcherry used for?
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7. What is green fluorescent protein used for?
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Tags

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2. #american
3. #evolved
4. #hypothesis
5. #scientists
6. #protein
7. #jellyfish
8. #predators
9. #works
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11. #aequorea
12. #emitting
13. #expressed
14. #helps
15. #naturally
16. #absorbing
17. #green
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19. #these
20. #victoria
21. #light
22. #environment
23. #response