First slide

Viruses, Viroids,Prions and Lichens

Question

Read the following statements w.r.t. viruses and select the correct option :
(A) No virus contains both DNA and RNA.
(B) An inert virus, outside its specific host, is called virion.

Easy

A

Only (A) is correct
B

Only (B) is correct
C

Both (A) and (B) are incorrect
D

Both (A) and (B) are correct

Solution

No virus contains both RNA and DNA. Virion, an entire virus particle, consisting of an outer protein shell called a capsid and an inner core of nucleic acid (either ribonucleic or deoxyribonucleic acid—RNA or DNA). The core confers infectivity, and the capsid provides specificity to the virus.

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