Effectiveness of three antibiotics on bacterial growth

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The disk-diffusion method was used to evaluate the effectiveness of three antibiotics on bacterial growth. The results were as follows:

Antibiotic               Zone of inhibition

X                             6 mm

Y                             11 mm

Z                             21 mm

a. Which antibiotic was the most effective against the microorganism? Why? (2 pts)

Answer below:

Antibiotic Z is the most effective antibiotics against the microorganism because the zone of inhibition is greater than antibiotic X and Y. According to question one, the zone of inhibition prevents the bacterium from growing thus if the zone of inhibition has a greater zone that means that the bacterium is susceptible to the antibiotic.

b. Which antibiotic would you recommend for treatment of a disease caused by this bacterium? Why?

Reference no: EM131664209

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