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: Biochemistry
[{'content': 'Base substitution of GAC (Asp) to GAG (Glu) is an example ofa) Point mutationb) Silent mutationc) Non-sense mutationd) Conserved mutatione) Non-conserved mutation \nSelect and explain. \nA. b, B. c, C. ad, D. ab', 'role': 'user'}, {'content': 'Answer: C \nExplanation: It is a point mutation because only single nucleotide is changed (C by G).\nIt is a conserved mutation because altered AA has same properties as the original one (Both are acidic).', 'role': 'assistant'}]