Which type of RNA has the highest percentage of modified base?: (A) mRNA, (B) tRNA, (C) rRNA, (D) snRNA
Answer is B. The transfer RNAs show extensive internal base pairing and acquire cloverleaf-like structureThey contain significant propoion of unusual basesThese include dihydrouracil, pseudouridine, and hypoxanthineRef: DM VASUDEVAN, 7th edition, page no: 596,597