Multiple Choice
Single-celled Paramecium live in pond water (a hypotonic environment relative to the cytosol) . They have a structural feature, a contractile vacuole, which enables them to osmoregulate. If sucrose or saline was added to the pond water in different concentrations (in millimolars, mM) , under which conditions would you expect the contractile vacuole to be most active?
A) 0.0 mM sucrose
B) 0.05 mM saline
C) 0.08 mM sucrose
D) 1.0 mM saline
Correct Answer:
Verified
Correct Answer:
Verified
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