When Peter Agre and colleagues compared frog oocytes expressing aquaporin with control oocytes lacking aquaporin placed in pure water, they found that
A) the control oocytes lacking aquaporin swelled and burst as water was transported into the cells.
B) the oocytes expressing aquaporin swelled and burst as water was transported into the cells.
C) the oocytes expressing aquaporin collapsed as water was transported out of the cells.
D) the oocytes expressing aquaporin first swelled and then collapsed as water was transported into and then back out of the cells.
E) the oocytes expressing aquaporin first collapsed and then swelled as water was transported out and then back into the cells.
Answer: B
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