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Science: Origin of the Atmosphere and Oceans
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Science: Origin of the Atmosphere and Oceans
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25 Questions

1. When did green plants evolve?

2. Reaction that forms proteins from amino acids?

3. Amino acids

4. Examples of soluble gases which were washed out of the atmosphere?

5. How many amino acids in haemoglobin

6. What was the earliest form of life?

7. What could happen once all rocks had been oxidised?

8. What does Henry's Law state?

9. Why is H retained in atmosphere?

10. When did life begin?

11. When was free oxygen consistently in the Earth's atmosphere?

12. When did the oceans form?

13. BIF timeline?

14. What is needed to retain an atmosphere

15. Basic Amino Acid Structure

16. Evidence of degassing?

17. What were primitive life's metabolic reactions?

18. Evidence for bacteria 3.45 bya?

19. Producing sugars and amino acids from simple organic molecules?

20. Main producer of oxygen?

21. Earliest cellular organism?

22. Explain: Amino acids are chiral

23. Lipids

24. Which organic bases are in DNA?

25. When was the earliest fossil?

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