The role of most microRNAs within a eukaryotic cell is to:
A)regulate the splicing of primary transcripts to mRNAs.
B)bind with other RNAs to stabilize their secondary structure.
C)associate with ribosomal proteins to facilitate translation.
D)regulate RNA polymerase activity in the nucleus.
E)repress the expression of genes by destroying mRNAs.

Question

Quizplus · Accepted Answer

Most microRNAs regulate gene expression by binding with target mRNAs and repressing their translation or inducing their degradation. This process is crucial for controlling various cellular processes including development, cellular differentiation, and response to external stimuli.

The Role of Most MicroRNAs Within a Eukaryotic Cell Is