Which of these infectious agents is least likely to cause disease in plants? (Th
ID: 191589 • Letter: W
Question
Which of these infectious agents is least likely to cause disease in plants? (Think about this one).
viroids
bacteria
prions
viruses
When a virus infects a host cell, sometimes it causes virus nucleic acid to fuse with the DNA of the host cell and become part of the genome of every cell then made by mitosis. While this is happening the virus is spreading without making new viruses and without showing symptoms of infection. This stage in the viral cycle is called _____ .
lytic
chronic
latency
acute
viroids
bacteria
prions
viruses
Explanation / Answer
1) the prions are least likely to cause diseases in plants. mostly infectious diseases are caused by fungus, bacterium, mycoplasma, viruses, viroids and nematodes.
2)latency viral cycle
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