$37$

Multiple Choice

$2\mathrm{.}5$ points

Once a microRNA $($miRNA$)$ is cleaved from a pre$-$miRNA to form a mature miRNA, what happens next?

It binds the mRNA target to form an RNA:RNA duplex

It binds the DNA target to form an RNA:DNA duple$)$

It binds a histone tail to form a protein:RNA complex

It binds an aminoacyl$-$tRNA

It binds Argonaute to form a protein:RNA complex $($RISC$)$