Modifications to the nucleotides of pre-rRNAs are made _________.
A)after translation
B)before transcription
C)after transcription
D)after mitosis
E)before mitosis

Question

Quizplus · Accepted Answer

Modifications to pre-rRNAs, such as methylation and pseudouridylation, are made after transcription and processing of the pre-rRNA molecule but before translation. This ensures that the mature rRNA is functional and able to participate in ribosome assembly and protein synthesis.

Modifications to the Nucleotides of Pre-RRNAs Are Made _________