In a Root Nodule, the Gene Coding for Nitrogenase

question 18

Multiple Choice

In a root nodule, the gene coding for nitrogenase

• A)is inactivated by leghemoglobin.
• B)is absent in active bacteroids.
• C)is found in the cells of the pericycle.
• D)protects the nodule from nitrogen.
• E)is part of the Rhizobium chromosome.

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