Multiple Choice
How do nitrogen-fixing microbes first become associated with their symbiotic plants?
A) They are carried in the seed.
B) They move into the vascular system and multiply.
C) They move in via openings in the plant cell walls.
D) They enter via modified root hairs.
E) They enter root nodules previously produced by the plant.
Correct Answer:
Verified
Correct Answer:
Verified
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