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Standard XII
Biology
Nucleotides and Nucleosides
Bacterial vir...
Question
Bacterial viruses usually have
A
ssRNA
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B
dsRNA
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C
ssDNA
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D
dsDNA
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Solution
The correct option is
D
dsDNA
Bacterial viruses or bacteriophages usually have a double-stranded DNA structure. By bacteriophages, we mean viruses that infect the bacteria.
The protein coat, capsid made of small subunits (capsomeres) protects the nucleic acid.
They have these capsomeres arranged in various geometric forms like helical or polyhedral forms. Hence the correct option is D.
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