Multiple Choice
Potato spindle-tuber disease,which causes potatoes to become gnarled and cracked,is caused by an infectious agent consisting of a small circular RNA molecule that totally lacks a protein coat.These infectious agents are thought to exert their effects by interfering with the cell's normal path of gene expression.Such an infectious agent is known as a(n) __________.
A) provirous
B) bacteriophage
C) viroid
D) virunette
E) eviscerion
Correct Answer:
Verified
Correct Answer:
Verified
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