Multiple Choice
What is the function of a root nodule's leghemoglobin?
A) extract macronutrients from the soil.
B) regulate the supply of oxygen to Rhizobium.
C) promote ion exchange in the soil.
D) form a mutualistic relationship with insects.
E) supply the legume with fixed nitrogen.
Correct Answer:
Verified
Correct Answer:
Verified
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