Which of the following statements is incorrect ?

  • Option 1)

    Viroids lack a protein coat.

     

  • Option 2)

    Viruses are obligate parasites.

  • Option 3)

    Infective constitiuent in viruses is the protein coat.

  • Option 4)

    Prions consist of abnormally folded proteins.

Answers (3)

 

Viruses -

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

-

 

 

Viruses are made up of protein coat and genetic material. The genetic material is inserted into the host for multiplication and growth of viruses. Hence, genetic material is the infectious constituent.


Option 1)

Viroids lack a protein coat.

 

Option 2)

Viruses are obligate parasites.

Option 3)

Infective constitiuent in viruses is the protein coat.

Option 4)

Prions consist of abnormally folded proteins.

Option 3

1

 

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