Mad cow disease in cattle is caused by an organism which has
- Ainert crystalline structure
- Babnormally folded protein
- Cfree $RNA$ without protein coat
- Dfree $DNA$ without protein coat
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Similar Questions
Assertion $(A)$: Viroids lack the protective protein coat known as the capsid.
Reason $(R)$: Viroids contain a short strand of $DNA$.
Reason $(R)$: Viroids contain a short strand of $DNA$.
Medium
View SolutionMatch the following columns.
Column $I$ Column $II$ $(A)$ $DJ$ Ivanowsky $(i)$ Viroids $(B)$ $MW$ Beijerinck $(ii)$ Crystallised virus $(C)$ $WM$ Stanley $(iii)$ Contagium vivum fluidum $(D)$ $TO$ Diener $(iv)$ Mosaic disease of tobacco
| Column $I$ | Column $II$ |
|---|---|
| $(A)$ $DJ$ Ivanowsky | $(i)$ Viroids |
| $(B)$ $MW$ Beijerinck | $(ii)$ Crystallised virus |
| $(C)$ $WM$ Stanley | $(iii)$ Contagium vivum fluidum |
| $(D)$ $TO$ Diener | $(iv)$ Mosaic disease of tobacco |
Medium
View SolutionWhich of the following shows a coiled $RNA$ strand and capsomeres?
Medium
View SolutionWhich one is the smallest among the following?
Select the wrong statements.
Medium
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