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T.O. Diener discovered a:
Options
(a) free infectious DNA
(b) infectious protein
(c) bacteriophage
(d) free infectious RNA
Correct Answer:
free infectious RNA
Explanation:
Theodor O. Diener discovered the Potato Spindle Tuber Viroid (“PSTVd”), the first viroid ever identified, in 1971. PSTVd is a small, circular RNA molecule. Dr. Diener discovered that the pathogen causing potato spindle tuber disease is not a virus, as previously believed, but a much smaller, free RNA molecule.
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Question Type: Memory
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Difficulty Level: Easy
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Topics: Genetics
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Subject: Biology
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Double fertilization is the characteristic of
- T. L. V. (Threshold Limit Value) of methyl isocyanate responsible for Bhopal gas
- Which is common to multicellular fungi, filamentous algae and protonema of mosses
- Secondary phloem remains functional generally
- Cardiac muscles are different from that of skeletal muscles as
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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