What Is the Similarity Between MiRNAs, SiRNAs, and PiRNAs

Multiple Choice

What is the similarity between miRNAs, siRNAs, and piRNAs?

A) All three types originate from transposons or viruses and are found in all organisms.
B) They all target and degrade the gene from which they were transcribed.
C) All three are generated from a single-stranded RNA that gets cleaved.
D) All three can influence chromatin structure, which, in turn, can influence gene expression.
E) All three associate with Piwi proteins in order to mediate RNA degradation.