- Tue Nov 17, 2020 4:09 pm
#81231
That's right, Grace! The passage did mention that scientists once believed that cholera passed only through human hosts and their waste, including waste found in unchlorinated water supplies (first paragraph), but there was no discussion of whether the bacterium could survive in chlorinated water. Since that was not mentioned or even alluded to, we can eliminate answer C. The issue in this question is of the bacterium not being culturable, which would mean it is dormant, but still infecting a human who ingests it, which would require it to wake up from its dormant state. That's answer E! Good work there.
Adam M. Tyson
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