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Characteristics of the bacterium T. majus and ciliate Uronemella.
| T. majus | Uronemella | |
|---|---|---|
| size | 5–20 μm | 25 μm |
| swimming speed | 400–600 μm s−1 | 250 μm s−1 |
| force | 40 pN | 50 pN |
| force generation | ∼100 flagella | ∼100 cilia |
| stalk growth | 0.65 μm s−1 | 1.5 μm s−1 |
| cell density on veil | 106 cells cm−2 | 105 cells cm−2 |
| optimal oxygen concentration | 4% atm | 7% atm |
