If the wer gene were expressed in every root epidermal cell, the plant would
A. strengthen its attachment to the soil.
B. greatly increase its absorptive capacity.
C. greatly reduce its ability to exchange gases at the epidermal surface.
D. increase in the diameter of its roots.
E. greatly reduce its water and nutrient uptake.
Answer: E
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In the accompanying figure, the function of the structure labeled as 1 represents:a
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Chloroplasts arose via _____.
A. endosymbiosis of euglenids B. endosymbiosis of ?-Proteobacteria C. endosymbiosis of cyanobacteria D. endosymbiosis of dinoflagellates
Which of the following is not true of all cells?
A) They assimilate nutrients. B) They are attached by gap junctions to remain in place. C) They eliminate wastes. D) They synthesize new cellular material. E) They arise from other living cells.