What is a key feature of microRNAs?
Large size
Small size
No regulation
Protein-based
Answer
Small size is a defining characteristic of microRNAs (miRNAs). These tiny RNA molecules, typically ranging from 18 to 25 nucleotides in length, play crucial roles in gene regulation. Their compact size enables them to efficiently bind to target messenger RNAs (mRNAs) and modulate their expression, influencing various cellular processes such as development, differentiation, and disease.
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