Choose the option that places the following events in plant defense in the CORRECT order.
1) The plant cell recognizes double-stranded RNA (dsRNA) as foreign and cleaves it into fragments.
2) Single-stranded RNA (ssRNA) molecules bind to the protein-bound small interfering RNA (siRNA) and are destroyed.
3) A virus infects the host plant, injecting ssRNA into the cell.
4) The viral genome is replicated and dsRNA molecules are formed.
5) siRNA bind to a plant protein complex, which retains only one of the RNA strands.
A) 3 2 1 4 5
B) 1 2 4 3 5
C) 5 3 4 2 1
D) 1 2 3 4 5
E) 3 4 1 5 2
Correct Answer:
Verified
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