Which of the following types of RNA molecules is responsible for regulating gene expression by binding to specific mRNA sequences?

A tRNA
B rRNA
C miRNA ✓
D snRNA

Explanation

MicroRNAs (miRNAs) are small non-coding RNA molecules that regulate gene expression by binding to specific sequences on messenger RNA (mRNA) molecules.

Mnemonic

miRNA = micro manager → managing gene expression

Source

Lodish et al., Molecular Cell Biology
Fundamentals of Biochemistry Biochemistry Gene Regulation Hard MEDICAL Confidence: high