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9th Class Science Why do we fall Ill? Question Bank 9th CBSE Science Why do we fall Ill?

  • question_answer
      Why are antibiotics effective against bacteria but not against viruses?

    Answer:

                    Antibiotics act by inhibiting the biosynthetic pathways of the bacteria. This way they eventually die. However, viruses do not have components for the biosynthetic pathways. Instead, they utilise the components of the host body to complete their life cycles. Therefore, antibiotics are not effective against viruses.


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