This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Microbiology
[{'content': "Prokaryotes doesn't have \nSelect and explain. \nA. Cell membrane, B. Mitochondria, C. Ribosome, D. Cell wall", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans: b) MitochondriaKingdom protista is divided into Prokaryotes and EukaryotesProkaryotes Bacteria & blue green algaeEukaryotesFungi, slime moulds, other algae & protozoaAlmost all organelle and cell components are absent in prokaryotes which are found in EukaryotesMuramic acid and Diaminopimelic acid (cell wall precursors) are present in prokaryotes & not in EukaryotesChromosome is circular in prokaryotes (single) & more than one (linear) in eukaryotes.', 'role': 'assistant'}]