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  • 21-01-2024
  • Biology
contestada

What are microRNAs (miRNAs)? What key role do they play in expression?
a) miRNAs are long coding RNAs; they activate gene expression
b) miRNAs are short non-coding RNAs; they degrade mRNA
c) miRNAs are involved in translation; they bind to ribosomes
d) miRNAs are structural RNAs; they form the cell membrane

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