Which of the following are regulatory molecules whose normal function is to inhibit gene expression but which often have reduced activity in many tumor cells?

Question

Quizplus · Accepted Answer

miRNAs (microRNAs) are small non-coding RNAs that regulate gene expression by inhibiting translation or causing degradation of target mRNAs. In many tumor cells, the activity of miRNAs is reduced, leading to the overexpression of oncogenes.

Which of the Following Are Regulatory Molecules Whose Normal Function