Question

A scientist was observing an unknown slide under an electron microsocope; he found a cell without a well-defined nucleus but with a thick cell wall and ribosomes. What type of cell could it be?
Prokaryotic
Eukaryotic plant cell
Eukaryotic animal cell

Answer 1

the difference between eukaryotic cells and prokaryotic cells is that Eukaryotic cells have a "true" nucleus containing their DNA, whereas prokaryotic cells do not have a nucleus.
Animal cell have defined cell wall . so according to above explanation,
Prokaryotic, is the right answer.