ecoli and paramecium are both unicellular and that is the only common characteristic. E.coli is a prokaryotic unicellular organism where paramecium is a eukaryotic unicellular organism. paramecium has a nucleus and ecoli has a nucleoid neither of them produce essential vitamins. contractive vacuoles are present only in paramecium.
Usually, cells will take between 5 and 6 hours to complete S phase. G2 is shorter, lasting only 3 to 4 hours in most cells. In sum, then, interphase generally takes between 18 and 20 hours.
