The mitosis stops when chromosomes are at the maximum condenstation, it is practically metaphase but the chromosomes are not attached to the spindles so they don't form the equatorial plate.
Pelagibacter<span> ubique is one of the smallest known free-living bacterium with a length of 0.37-0.89 </span>μm<span> and an average cell diameter of 0.12-0.20 </span>μm<span>.</span>
The answer is b. Hope this helps :)