| 41. | Cells are gram-negative and non-motile rods of variable length.
|
| 42. | It is Gram-positive, motile and short-rod-shaped.
|
| 43. | It is anaerobic, motile, Gram-positive and rod-shaped.
|
| 44. | It is motile by means of a single flagellum.
|
| 45. | Its cells are motile by means of a polar flagellum and contain desulfoviridin.
|
| 46. | It is gram-negative, non-motile and yellow-pigmented.
|
| 47. | Cells are slightly curved, non-motile rods.
|
| 48. | It is sulfate-reducing, mesophilic and motile.
|
| 49. | It is rod-shaped and motile by a polar to subpolar flagellum.
|
| 50. | Its cells are motile, strictly aerobic rods which stain Gram-negative.
|
