Why Is Nitrogen Fixation Such an Important Process

question 32

Multiple Choice

Why is nitrogen fixation such an important process?

• A)Nitrogen fixation can only be done by certain prokaryotes.
• B)Fixed nitrogen is most often the limiting factor in plant growth.
• C)Nitrogen fixation is very expensive in terms of metabolic energy.
• D)Nitrogen fixers are sometimes symbiotic with legumes.
• E)Nitrogen-fixing capacity can be genetically engineered.

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