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Question

Which of the following sets of bacteria's having effect of Penicillin antibiotic?


A

Streptococcus pneumoniae, Staphylococcus aureus,Enterococcus,Clostridium tetani, andListeria monocytogenes.

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B

Asneisseria gonorrhoeae, Neisseria meningitidis, Pseudomonas, legionella, Escherichia coli,Helicobacter pylori(stomach ucler),Borrelia burgdorfeli(lyme disease),Treponema pallidium(syphilus), andChlamydia trachomatis.

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C

Streptococcus pneumoniae, Staphylococcus aureus,Asneisseria gonorrhoeae, Neisseria meningitidis, Pseudomonas, legionella, Escherichia coli,Helicobacter pylori(stomach ucler),Borrelia burgdorfeli(lyme disease),

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D
Streptococcus pneumoniae, Staphylococcus aureus,Enterococcus, Clostridium tetani, Pseudomonas, legionella, Escherichia coli,Helicobacter pylori(stomach ucler),Borrelia burgdorfeli(lyme disease),
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Solution

The correct option is A

Streptococcus pneumoniae, Staphylococcus aureus,Enterococcus,Clostridium tetani, andListeria monocytogenes.


Gram positive bacteria are the most sensitive and susceptible to penicillin because Gram positive bacteria only have murein (peptidoglycan) layer. Gram negative bacteria are usually more resistant to penicillin because they have multiple membrane layers, which allows them to still retain a cell wall even though they have lost their murein layer to penicillin. Penicillin can be used to treat Gram positive bacteria such asstreptococcus pneumoniae,staphylococcus aureus,enterococcus,clostridium tetani, andlisteria monocytogenes. Penicillin cannot be used to treat gram negative bacteria such asneisseria gonorrhoeae, neisseria meningitidis, pseudomonas, legionella, escherichia coli,helicobacter pylori(stomach ucler),borrelia burgdorfeli(lyme disease),treponema pallidium(syphilus), andchlamydia trachomatis.


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