Biology · Plant Physiology
Which statement is NOT true regarding the nitrogen cycle in plants and soil?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The uptake of soil nitrate by root cells occurs via transport systems located strictly within the cell wall.✓
- 2The enzyme responsible for biological nitrogen fixation is nitrogenase.
- 3The reduction of NO3- to NH4+ is catalyzed by two enzymes: nitrate reductase and nitrite reductase.
- 4Nitrifying bacteria convert NH4+ to NO2- and then to NO3-.
Correct answer
The uptake of soil nitrate by root cells occurs via transport systems located strictly within the cell wall.
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