Microbial Diversity 1&2

1. When did life first appear on earth

2. When was the last universal common ancestor of current cellular life

3. What is the most recent organism all life today descended from

4. How does the metabolism of Acetogens function

5. Which compound WASN'T an input compound used during the first photosynthesis

6. The first photosynthesis didn't produce oxygen (Anoxygenic)

7. When did oxygenic photosynthesis evolve

8. In what organism did oxygenic photosynthesis evolve

9. Before oxygenic photosynthesis populated the earths atmosphere with oxygen, what were the two main compounds found in the earths atmosphere

10. Aerobic respiration is more efficient than anaerobic respiration

11. Which of the 5 kingdoms within the classification of life (Whittaker, 1969) was not part of Haeckel's 1879 classifications

12. Eukaryotes are 'more simple' than Prokaryotes

13. Carl Woese's 3-domain system split prokaryotes into bacteria & what

14. An organism which obtains its carbon source from organic substances and its energy source from chemicals falls under which metabolic classification

15. Two microorganisms, Prochlorococcus & Synechococcus, remove how much Carbon from the atmosphere annually

16. What % of oxygen we breath is generated by microoragnisms

17. Animals can't digest what component of a plant on their own, and rely on microorganisms to break it down instead

18. Diderms have two cytoplasmic membranes as opposed to the one in monoderms, do diderms show up as positive or negative in a Gram test

19. Rotating protein filaments driven by a protein motor and used for motility in bacteria is known as

20. The Archaea equivalent of Q19 is

21. The transfer of genetic information during binary fission from the parent cell tothe daughter cells is known as

22. DNA in circular strands are a structure that contains extra genes in bacteria, independent from the bacterial genome, what is the name of this structure

23. Q22 structure can be shared between cells through which process

24. Spherical bacteria are known as

25. How big is the largest bacterium (Thiomargarita magnifica)

26. Carbon makes up what % of prokaryote dry weight

27. What organisms can use the molecule N2 found in the atmosphere to make biological molecules

28. What bacteria group comprises most bacteria used in medical, industrial and agricultural systems

29. Q28 are all gram-positive

30. Which clade of Proteobacteria is the closest relative to mitochondria A

31. Which genus of Alphaproteobacteria are N-Fixing symbionts of plants