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': 'Cell wall of gram positive bacteria contain s- \nSelect and explain. \nA. Lipids, B. Aromatic amino acids, C. Teichoic acid, D. All of the above', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Teichoic acid Comparison of cell walls of Gram positive and Gram negative bacteria Gram positiveGram negativeThicknessThickerThinnerVariety of aminoacidsFewSeveralAromatic and Sulphur containing aminoacidsAbsentPresentLipidsAbsent or scantyPresentTeichoic acidPresentAbsent", 'role': 'assistant'}]