Across
- 3. time taken for parent cell to produce two daughter cells is __ time
- 5. essential nutrient that must be supplied to an organism
- 6. parasite that lives in cells or tissues
- 8. organisms cooperate to produce a result that neither could do alone
- 10. nutrient required in large amounts
- 13. does not require oxygen for metabolism
- 14. majority of medically significant bacteria are ___
- 17. organism that uses CO2 as its carbon source
- 20. one bacterium splits into 2 daughter cells is binary ___
- 22. capable of growing at temp > 45 deg Celsius
- 25. fourth phase of bacterial growth curve
- 26. can grow in higher CO2 levels
- 27. sign of bacterial growth (cloudiness)
- 28. one partner benefits, the other is not harmed
- 30. organisms within community compete for resources
- 31. thrive in high salt concentrations
- 35. parasite that lives on the body
- 37. one partner benefits, other partner is harmed
- 40. swallowing of bacteria by WBC
- 41. organism that grows only in presence of oxygen is ___ aerobe
- 43. thrive in alkaline environment
- 44. energy source are carbon compounds
- 45. organism that feeds on organic debris
Down
- 1. relationship in which both organisms benefit
- 2. disease causing microorganism
- 4. cell drinking
- 7. second phase of bacterial growth curve
- 9. condition in which 2 organisms live together in close partnership
- 11. major element found in living organisms
- 12. capable of growing between 15-30 deg Celsius
- 15. community of microbes attached to a surface and one another
- 16. thrive under high atmospheric pressure conditions
- 18. ideal temperature for growth is ___ temperature
- 19. ATP is required in ___ transport
- 21. movement of substances down a concentration gradient
- 23. third phase of bacterial growth curve
- 24. does not require O2 for growth but will use it if present
- 29. movement of water across a selectively permeable membrane
- 32. thrives in acidic environment
- 33. organism that obtains carbon in organic form
- 34. capable of growing in temp. < 15 deg Celsius
- 36. main energy source is sunlight
- 38. nutrient required in small amounts
- 39. first phase of bacterial growth curve
- 42. an obligate intracellular parasite