Free Practice Question
CR · Critical Reasoning
655-705
Complete the Passage
.
Which of the following most logically completes the argument? A certain cultivated plant is part of a family of species that flourish in soils rich in heavy metals that are harmful to most other plants. Researchers examining this plant have found that it generates significant amounts of arginine, an amino acid that, in laboratory tests, neutralizes these metals. Therefore, it is possible that the plant's high arginine production enables it to thrive in metal-laden soils, a theory that would be supported if ______.
Which of the following most logically completes the argument? A certain cultivated plant is part of a family of species that flourish in soils rich in heavy metals that are harmful to most other plants. Researchers examining this plant have found that it generates significant amounts of arginine, an amino acid that, in laboratory tests, neutralizes these metals. Therefore, it is possible that the plant's high arginine production enables it to thrive in metal-laden soils, a theory that would be supported if ______.
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the concentration of arginine in the growing plant decreases as the plant matures
B
other plants in the same family are also shown to produce arginine in significant amounts
C
the plant's elevated arginine production correlates with a notably low production of other amino acids
D
arginine is detected in all sections of the plant—roots, stems, leaves, and flowers
E
cultivating the plant in metal-rich soil will eventually make the soil suitable for other plants that are sensitive to these metals
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PatrickFeb 3, 2025
thanks for the answer
Details
Difficulty
655-705
Type
CR