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In some viruses, RNA is present instead of DNA indicating that
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Solving time: 3 mins

In some viruses, RNA is present instead of DNA indicating that

A
their nucleic acid must combine with host DNA before replication.

B
they cannot replicate.

C
there is no hereditary information.

D
RNA can transfer heredity material.

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Updated on: Oct 21, 2022

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Xtract Objective Biology for NEET (Disha)

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Viruses are defined as infectious nucleoproteins. A complete virus particle is called virion whose main function is to deliver its DNA or RNA gesnome into the host cell, so that genome can be expressed by the host cell. In a particular virus either DNA or RNA is genetic material, never both are present in a virus.
Hence, viruses are:
(i) Double stranded DNA or ds DNA - Hepatitis B
(ii) Single stranded DNA or ss DNA - coliphage
(iii) Double stranded RNA or ds RNA - Reo virus,wound Tumor virus
(iv) Single stranded RNA or ss RNA - Tobacco mosaic virus (TMV).
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Question Text
In some viruses, RNA is present instead of DNA indicating that
Updated OnOct 21, 2022
TopicBiological Classification
SubjectBiology
ClassClass 11
Answer TypeText solution:1 Video solution: 1
Upvotes190
Avg. Video Duration3 min