Which statement is true?
a. A cell placed in an isotonic solution will swell.
b. A cell placed in a hypotonic solution will swell.
c. A cell placed in a hypotonic solution will shrink.
d. A cell placed in a hypertonic solution will remain the same size.
e. A cell placed in a hypertonic solution will swell.
b
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Which of the following statements is correct?
A. Only a few plants maintain a mycorrhizal relationship. B. All plants maintain a mycorrhizal relationship. C. Most plants maintain a mycorrhizal relationship. D. Some plants maintain a mycorrhizal relationship.
Giovanni is resting peacefully after a long day of hard work. Assuming he is otherwise healthy, what would be the volume of his ventilations?
A) 500 ml B) 1900 to 3300 ml C) 4500 to 6000 ml D) 1100 to 1200 ml
Protobionts are vesicle-like assemblages of abiotically-produced organic polymers
______________ Indicate whether the statement is true or false.
Comparison of the human ecological footprint to Earth's biocapacity suggests that
A) the human population can continue at its present level of resource usage indefinitely. B) global warming is seriously damaging most ecosystems. C) the human population is growing slowly. D) the human population will soon rapidly decrease in size. E) the human population cannot sustain its current level of resource usage.