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': 'The 3 dimensional shape of a protein is maintained mainly by: \nSelect and explain. \nA. Strong covalent interactions, B. Interactions with other proteins, C. Multiple weak interactions, D. Interactions with prosthetic groups', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Multiple weak interaction', 'role': 'assistant'}]