Question 5 (3 points) The graph shown represents the effects of a new antibiotic
ID: 3198585 • Letter: Q
Question
Question 5 (3 points)
The graph shown represents the effects of a new antibiotic Tiamulin against mycobacterium. The drug is in research to combat resistance in TB cases.
The Y axis represents numbers of colonies counted on plates of bacteria grown in the Tiamulin concentrations (X axis) given.The dotted line (LOD) is the minimum Level of Detection of bacteria.
The blue line represents a control organism and the red (pink) line represents the species of mycobacterium in question. IF 100 cells were originally inoculated, what would be the MIC of Tiamulin?
Question 5 options:
A)
0.005 ug/ml
B)
0.02 ug.ml
C)
0.01 ug/ml
D)
0.04 ug.ml
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A)
0.005 ug/ml
B)
0.02 ug.ml
C)
0.01 ug/ml
D)
0.04 ug.ml
Explanation / Answer
Based on the graph, the 100 cells, the pink and blue line both correspond to same point. when we trace it below to x-axis we find that the corresponding tiamulin concentration is found to be 0.02 ug.ml
option B.
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