Use the following to answer question:
Figure 3.15
-(Figure 3.15) Which of the following statements is (are) TRUE?
A) I and II
B) II, III, and IV
C) IV
D) II and IV

Question

Use the following to answer question:
Figure 3.15 
-(Figure 3.15) Which of the following statements is (are) TRUE? 
A) I and II 
B) II, III, and IV 
C) IV 
D) II and IV

Quizplus · Accepted Answer

From Figure 3.15, we can see that the cells in Solution B had the highest absorbance, which means that they had the highest concentration of bacterial cells. Therefore, II is true. We can also see that the cells in Solution D had the lowest absorbance, which means they had the lowest concentration of bacterial cells. Therefore, IV is true. However, we cannot determine the exact concentration of bacterial cells in each solution, so I and III are not necessarily true. Therefore, the best choice is D.

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