The Data Graphed in Figure 29

The data graphed in Figure 29.3 could be an artifact if latrunculin A kills this species of diatoms (i.e.,that may be why the cells are not moving) .Which of the following would be the best evidence that latrunculin A is not killing the cells?

A) When the toxin was washed off the culture,the cells began to move again.
B) There were still a small percentage of motile cells in the culture treated with the toxin.
C) Most of the cells in the control were moving,indicating that they were alive.
D) When the toxin was applied to another species of diatom,25% of them continued to move.

Correct Answer:

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