Biology · Mineral Nutrition
A plant growing in normal soil conditions shows maximal uptake of nitrogen in a form that is highly mobile in xylem and easily absorbed. Which property most strongly explains the plant's preference for nitrate (NO3-) as a primary nitrogen source?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Direct integration of nitrate into proteins without reduction
- 2Ability of nitrogen gas to diffuse through root epidermis
- 3Stability and high solubility of oxidized nitrogen species in soil solution✓
- 4High reactivity of molecular nitrogen with cellular enzymes
Correct answer
Stability and high solubility of oxidized nitrogen species in soil solution
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