Question

susceptible bacteria graph
bacteria from three different cultures were plated on agar plates containing ampicillin, an antibiotic. the results can be seen below. in which of the cultures were 100% of the bacteria susceptible to the antibiotic?
number of bacterial colonies growing on plates containing ampicillin
number of colonies
a
b
c
plate

Explanation:

Step1: Understand susceptibility

If 100% of bacteria are susceptible, no colonies should grow.

Step2: Analyze the graph

Plate C has 0 colonies growing.

Answer:

Culture corresponding to Plate C