Which statement accurately describes the relationship between RNAi, small interfering RNA (siRNA), and miRNA?

a. They all describe different methods of post-translational gene regulation.
b. miRNAs are classified into two types: RNAi molecules and siRNAs.
c. RNAi occurs in two ways: by miRNAs or by siRNAs.
d. RNAi is accomplished by siRNA and miRNA, but only siRNAs are cleaved by dicer proteins.
e. miRNAs are transcribed from viruses while siRNAs are transcribed from nuclear DNA; both are types of


ANSWER: c

Biology & Microbiology

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