The correct option is D A: eukaryotic B: prokaryotic
∙ Cells can be of two types based on the presence or absence of a well defined nucleus - prokaryotes and eukaryotes.
∙ Prokaryotic cells are those without a well defined nucleus, while eukaryotic cells are the ones that have a well defined nucleus.
∙ All the prokaryotes are unicellular, while eukaryotes can be unicellular or multicellular.