Problem:
Question 1: Identify the true statements about RNA interference. Select all the true statements.
A. miRNA is cleaved by Dicer enzyme complex
B. Duplex RNA (dsRNA) can suppress the expression of a gene.
C. miRNAs are short duplexes approximately 21 nucleotides long
D. miRNAs suppress gene expression by interfering with transcription
E. RNA interference can temporarily suppress the expression of a target genes
Question 2: Which of the following is a mechanism for regulating gene expression after the mature RNA is produced?
A. Gene silencing by miRNAs
B. Inhibition of translation initation
C. Blockage of the promoter by a repressor protein
D. Protein degradation
Please select correct answer and also provide explaination.