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Question
What structure is formed when sense and antisense mRNA strands pair together due to their complementarity?
Options
Single-stranded DNA (ssDNA)
Double-stranded RNA (dsRNA)
Lipid bilayer
Protein complex
MCQ
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Solution
When sense and antisense mRNA strands are complementary, they pair up to form double-stranded RNA (dsRNA). This dsRNA structure is essential for triggering the post-transcriptional gene silencing mechanism and is central to how RNAi operates in silencing nematode genes.
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