Biology · Mineral Nutrition
Why is biological nitrogen fixation considered one of the most energy-expensive biological processes?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Because plants must transport large amounts of carbohydrates to roots
- 2Because oxygen is directly consumed to oxidize atmospheric nitrogen
- 3Because significant ATP energy is required to break the strong N≡N triple bond✓
- 4Because NH3 is highly unstable in soil
Correct answer
Because significant ATP energy is required to break the strong N≡N triple bond
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