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6) The first viriod discovered wasO A) Potato spindle tuber viroidB) AvsunviroidaeООC) Graperine viroidD) Citrus gummy bark viroid |
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Answer» Answer: A---> POTATO spindle tuber viroidExplanation: The first recognized viroid, the pathogenic agent of the potato spindle tuber disease, was discovered, INITIALLY molecularly CHARACTERIZED, and named by Theodor Otto Diener, PLANT pathologist at the U.S Department of Agriculture's Research Center in Beltsville, Maryland, in 1971. ANSWER FROM CARTOON LOVER ❤️ |
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