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
Prokaryotes doesn't have 
Select and explain. 
A. Cell membrane, B. Mitochondria, C. Ribosome, D. Cell wall
B: Mitochondria
Answer: B: Mitochondria 
Explanation: 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.