This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'Agar is used for solidyfing Liquid Media instead of Gelatin Because ? \nSelect and explain. \nA. Agar has more nutrition, B. Gelatin melts at 37degC, C. Gelatin is not easily available, D. Agar is cheaper', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Gelatin melts at 37degC Agar is preferred to gelatin as a solidifying agent in culture media. This is because gelatin melts at relatively low temperature (< 35degC), while agar melts at around 85degC. Therefore, when gelatin is incubated at the normal temperature for bacterial growth, i e. at 37deg C, it melts, while agar remains solid.", 'role': 'assistant'}]