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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
(964)
Difficulty Level: Easy
(1008)
Topics: Genetics
(204)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Apparatus to measure rate of respiration and R.Q is
- Dendrites transmit impulses toward the
- The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin
- Carrier ions like Na⁺ facilitate the absorption of substances like:
- In animal cells, the first stage of glucose breakdown is
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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