system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
tRNA molecules vary in length from
assistant
The correct answer is  tRNA molecules vary in length from 74 to 95 nucleotides, like many other RNAs, are also generated by nuclear processing of a precursor molecule.Ref: Harper&;s Biochemistry; 30th edition; Chapter 34; Nucleic Acid Structure & Function