Soybeans will have several hundred Rhizobium nodules per plant and may divert 20-30 percent of their energy,generated by photosynthesis,to the nodule instead of to other plant functions when the nodule is actively fixing nitrogen.Why would the plant divert so much energy to Rhizobium?
A) because Rhizobium produces ammonium (NH4+)
B) because Rhizobium produces nitrogen (N2)
C) because Rhizobium produces sugars
D) because Rhizobium protects the plants from predators
E) because Rhizobium protects the plants from parasites
Correct Answer:
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