Studies of a soybean plant (Glycine max) and the bacterium Bradyrhizobium japonicum have shown that the tip of a root hair curls toward the bacteria as a response to which of the following?

Question

Quizplus · Accepted Answer

The tip of a root hair in soybean plants curls in response to nod gene products produced by the bacterium Bradyrhizobium japonicum. These gene products are signaling molecules that initiate the symbiotic relationship between the plant and bacterium, leading to the formation of root nodules for nitrogen fixation.

Studies of a Soybean Plant (Glycine Max) and the Bacterium