আকৃতি অনুসারে ব্যাকটেরিয়া মোট কত রকমের হয় ?
The basic forms are spheres (coccus) and round-ended cylinders (bacillus). But there may be others such as helically twisted cylinders (spirochetes), cylinders curved in one plane (Selenomonads) and unusual morphologies (such as the square Archaea Haloquadratum). They also conform diplos, tetrads, staphylos, streptos, palizadas etc.
spheres (coccus) and round-ended cylinders (bacillus)