Why are antibiotics not used to treat viral infections?

Antibiotics target a variety of sites on bacteria (disruption DNA or cell wall or protein synthesis). These are not found in viruses - viruses lack cell walls, ribosomes or cell membranes.Antibiotics would not be able to reach a virus once it has infected a cell and is within it.

KL

Related Biology A Level answers

All answers ▸

What are the models for enzyme action and how to remember the differences?


Outline how light intensity affects the rate of photosynthesis, with reference to the Calvin cycle and effects on the concentrations of GP, GALP and RuBP.


In DNA, if you know the percentage of a base on 1 strand, how do you work out the bases on the opposite strand?


Give two features of DNA and explain how each one is important in the semi-conservative replication of DNA.