How does short interference RNA (siRNA) work?
A) It binds to a repressor protein, which in turn inactivates a gene.
B) It converts heterochromatin to euchromatin.
C) It binds to ribosomes and prevents tRNA molecules from attaching.
D) It binds to and inactivates a target nucleic acid sequence.
E) It creates frameshift mutations that produce nonfunctional versions of proteins.
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