Unusual nucleosides that are found in mature tRNA molecules are added during:
A) Transcription initiation
B) Transcription elongation
C) Transcription termination
D) Post transcriptional modification
E) It is not currently known when the unusual nucleosides are added

Question

Quizplus · Accepted Answer

Unusual nucleosides, such as queuosine and m1G, are added during post-transcriptional modification of tRNA molecules. These modifications are important for maintaining tRNA structure and function during protein synthesis.

Unusual Nucleosides That Are Found in Mature TRNA Molecules Are