| Answer | Crossword Clue |
|---|---|
| bacilli | BACILLUS, any of the genus of rod-shaped bacteria |
| bacillus | any of the genus of rod-shaped bacteria |
| azotobacters | any of several rod-shaped or spherical soil bacteria of the genus Azotobacter, important as nitrogen fixers |
| rhizobia | any of several rod-shaped bacteria of the genus Rhizobium, found as symbiotic nitrogen fixers in nodules on the roots of the bean, clover, etc. |
| thiobacillus | any of several rod-shaped bacteria that derive energy from the oxidation of sulphur or sulphur compounds |
| thiobacilli | THIOBACILLUS, any of several rod-shaped bacteria that derive energy from the oxidation of sulphur or sulphur compounds |
