Question

1. Explain why antibiotics are only effective against one particular microbe, which one?

2. Identify the five specific targets of the microbe that antibiotics damage.

3. Define antibiotic resistance and provide two examples of antibiotic misuse which contributes to resistance.

Answer 1

Answer 1:- Antibiotics are the type of medicine which mail used for treatment of bacterial infection. Some are highly specialized antibiotics which works against certain bacterial strain called narrow spectrum antibiotics while some work against wide range of bacterial strain called broad spectrum antibiotics.

Penicillin G (benzyl penicillin) bind and inactive the PBPs (penicillin binding proteins) which present at inner side of bacterial cell wall.

Answer 2:- There are following site where a antibiotic can act against bacteria.....

• Stoppage of cell wall synthesis
• Storage of translation (protein synthesis)
• Structural alterations of cell membrane
• Inhibition of DNA replication
• Stoppage of multiplication of bacteria.

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