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Across 3. Obtain energy from inorganic compounds 9. Bioremediation involves removal involves the removal of contaminated material from the original site so that it can be treated elsewhere (2 Words) 10. Get energy for electron transfer from light 11. Organelle in eukaryotes where photosynthesis takes place 19. The most commonly used glycolytic pathway consisting of two phases - the energy investment phase and the energy payoff phase (abbreviation) (2 Words) 20. When an organism produces energy in the presence of oxygen (2 Words) 22. When an organism does not use the ETS and does not make any ATP beyond glycolysis - uses an organic molecule (such as pyruvate) as a final electron acceptor. 24. Nutrient runoff causes overgrowth and subsequent death of aquatic algae, making water sources anaerobic and inhospitable for aquatic organisms 27. Enzyme that breaks down lipids for energy, used by some microbes and contributes to their virulence 30. Process by which pyruvate is converted into lactic acid in the absence of oxygen (3 Words) 31. Organisms that use nitrate and nitrite as final electron acceptors in the ETS, producing nitrogen gas 35. An alternative glycolytic pathway that occurs in all cells, used when the cell has a need for nucleic acids or proteins (3 Words) 38. Embedded within the photosynthetic membranes, where light energy is converted into chemical energy, ex. bacteriochlorophylls (2 Words) 40. Where nitrate as a terminal electron acceptor in anaerobic respiration 42. Enzyme that degrades proteins, can be used to identify pathogens based on specific type 43. Enzyme that allows pathogens such as Pseudomonas aeruginosa to be distinguished from other related gram-negative bacteria when grown in milk broth tubes 44. When an organism undergoes fermentation and the only product is lactic acid (2 Words) 45. Type of photosynthesis where water is split (oxygen is generated) and supplies the electron to the reaction center, occurs in cyanobacteria 46. The final electron acceptor in the electron transport system during aerobic respiration (2 Words) 47. Enzyme used by Proteus and Serratia to degrade gelatin, distinguishes them from other gram-negative enteric bacteria 48. Obtain energy for electron transfer by breaking chemical bonds 49. Process by which sugar molecules are assembled using CO2 and energy in phototrophic organisms (2 Words) 50. Term for bacteria and archaea that use methane as their carbon source 51. Enzyme that breaks down phospholipids for energy and contributes to the virulence of certain microbes like Staphylococcus aureus and Cryptococcus neoformans

Down 1. Hydrogen-, sulfur-, iron-, nitrogen-, and carbon monoxide-oxidizing bacteria are examples of 2. Organisms that convert inorganic carbon to organic carbon 4. A process by which free-living and symbiotic bacteria incorporate nitrogen into their macromolecules (2 Words) 5. When certain bacteria and fungi convert nitrogenous waste from the living animals or the remains of dead organisms into ammonia 6. Compounds synthesized by humans and introduced into the environment in much higher concentrations than would naturally occur, adhesives, dyes, flame retardants etc. 7. Photosynthetic pigments organized into a light-harvesting complex and a reaction center 8. Biochemical process by which phototrophic organisms convert solar energy into chemical energy 9. An alternative glycolytic pathway used by some prokaryotes such as Pseudomonas aeruginosa and e.coli (abbreviation) (2 Words) 12. Obtain energy from organic compounds 13. An infolded region of the plasma membrane that is photosynthetic, in cyanobacteria 14. Type of photosynthesis where hydrogen sulfide or thiosulfate supplies the electron to the reaction center (oxygen is not generated), occurs in bacterial phototrophs 15. When ammonia is oxidized to nitrite then nitrate, seen in Nitrosomonas, soil bacteria 16. Bacteria important in the production of yogurt, soured vegetables, maintaining the health of the vagina, gastrointestinal tract and are the primary component of probiotics (3 Words) 17. When an organism uses an inorganic molecule as the final electron acceptor at the end of the electron transport chain to produce energy (2 Words) 18. A process of catabolizing fatty acids that have been released from the host cells via enzymes from the microbe 21. The electron carrier that reduces an oxygen molecule into water at the end of the electron transport chain (2 Words) 23. An organism that is able to switch from aerobic respiration to anaerobic respiration if conditions require it to do so (2 Words) 25. Rely on complex carbon compounds for organic carbon 26. Bioremediation conducted at the site of contamination, does not involve moving contaminated material (2 Words) 28. When an organism undergoes fermentation and the products include lactic acid as well as ethanol and/or acetic acid and CO2 (2 Words) 29. Process where energy from sunlight is absorbed by pigment molecules in photosynthetic membranes and converted into stored chemical energy (2 Words) 32. All plants, algae, cyanobacteria, and green and purple sulfur bacteria are examples of 33. The final electron acceptor used by gram-negative bacteria such as Pseudomonas aeruginosa and Vibrio cholera - can be detected by the oxidase test (3 Words) 34. When an organism produces ethanol through a series of reactions beginning with pyruvate (2 Words) 36. The recycling of inorganic matter between living organisms and their non-living environment (2 Words) 37. Green and purple nonsulfur bacteria, heliobacteriaare examples of 39. All animals, most fungi, protozoa, and bacteria are examples of 41. Used extensively by photoautotrophic bacteria, but also used by many nonphotosynthetic chemoautotrophs to fix CO2 (2 Words)