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Which statement is wrong for viruses? 

  • Option 1)

    All are parasites 

  • Option 2)

    All of them have helical symmetry 

  • Option 3)

    They have ability to synthesize nucleic acids and proteins 

  • Option 4)

    Antibiotics have no effect on them

 

Answers (1)

best_answer

 

Viruses -

Nucleoprotein entity which require living host to replicate themselves utilising its synthetic machinery.

-

 

AIDS virus -

Consists of ssRNA and outermost glycoprotein layer.

- wherein

Causes Acquired Immune Deficiency Syndrome (AIDS).

 

 

T4 bacteriophage -

  1. Virus that destroys bacteria.
  2. dsDNA and proteinaceous trail. 

- wherein

Takes over bacterium's genetic mechanism.

 

 

 We conclude that all viruses do not have identical structure, thus they all do not have helical symmetry


Option 1)

All are parasites 

This is incorrect option

Option 2)

All of them have helical symmetry 

This is correct option

Option 3)

They have ability to synthesize nucleic acids and proteins 

This is incorrect option

Option 4)

Antibiotics have no effect on them

This is incorrect option

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