This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
[{'content': 'The initiation of DNA synthesis requires \nSelect and explain. \nA. Five carbon sugar, B. Deoxyribose alone, C. A sho RNA molecule, D. Proteins with free hydroxyl groups', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The initiation of DNA synthesis requires priming by a sho length of RNA, about 10 to 200 nucleotides long. In E coli this is catalyzed by dnaG (primase), in eukaryotes, DNA Pol a synthesizes these RNA primers. Harper30e pg: 383', 'role': 'assistant'}]