BCS Written Botany Practice Questions - BCS Written Post-Related Botany, Subject Code 581 Exam

Tobacco mosaic virus (TMV), the syllabus example of a simple RNA virus, has which genome and capsid architecture?

Positive-sense single-stranded RNA in a rigid helical rod Circular single-stranded RNA with no protein coat Negative-sense segmented RNA in an enveloped spherical particle Double-stranded DNA in an icosahedral head with a contractile tail

Correct Answer:

Positive-sense single-stranded RNA in a rigid helical rod

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