microRNA (miRNA) and small interfering RNA (siRNA) use a similar process and proteins to regulate gene expression. Which of the following is more commonly associated with the miRNA pathway?
A) The protein Drosha is found in the miRNA pathway but not the siRNA pathway.
B) In animals, the miRNA pathway usually leads to mRNA degradation, and in the siRNA pathway, the mRNA is not degraded.
C) The protein complex RISC is found in the miRNA pathway but not the siRNA pathway.
D) The protein Dicer is found in the miRNA pathway but not the siRNA pathway.
E) The protein AGO is found in the miRNA pathway but not the siRNA pathway.
Answer: A
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