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Biology · BIOLOGICAL CLASSIFICATION

हिन्दी

Neurological disorders such as Bovine Spongiform Encephalopathy (BSE / mad cow disease) in cattle and its human analogue Creutzfeldt-Jakob Disease (CJD) are transmitted by which class of infectious agents?

  1. Low-molecular-weight free RNA viroids
  2. Helical polyhedral double-stranded DNA viruses
  3. Abnormally folded infectious protein particles known as prions
  4. Obligate parasitic fungi belonging to Phycomycetes

Correct answer · Option 3

Abnormally folded infectious protein particles known as prions

Explanation

Prions are infectious agents consisting of abnormally folded proteins causing BSE (mad cow disease) in cattle and CJD in humans.
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