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': 'Not product of transcription: \nSelect and explain. \nA. tRNA, B. mRNA, C. rRNA, D. cDNA', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. C-DNA; E i.e. New strand of DNA', 'role': 'assistant'}]