This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Biochemistry
[{'content': 'Following is true of carbohydrate antigen except one \nSelect and explain. \nA. Poor Memory, B. Polyclonal response, C. Highly immunogenic, D. T cell independent response', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Carbohydrate antigens are poorly immunogenic.There are two classes of antigens-T dependent and T independent.Carbohydrates, simple proteins and lipids do not need the T helper cells for antibody production by the B cells.', 'role': 'assistant'}]