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': 'An alfa helix of a protein is most likely to be disrupted if a missense mutation introdues the following amino acid with in the alpha helical structure: \nSelect and explain. \nA. Alanine, B. Aspaic acid, C. Tyrosine, D. Glycine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: B i.e. Aspaic acid', 'role': 'assistant'}]