The relationship between Rhizobium bacteria and leguminous plants is an example of:

Which of the following is NOT a direct consequence of Nod factor signaling in the host plant during root nodule formation?

Root nodules in Alnus is formed by.

The relationship between Rhizobium bacteria and leguminous plants is an example of:

In root nodules of legumes, leghaemoglobin is important because it

For nitrogen fixation, useful pigment is

Which specific flavonoid is known to induce nod gene expression in Rhizobium leguminosarum when establishing symbiosis with pea plants?

Nitrogenase, the enzyme responsible for converting atmospheric nitrogen to ammonia, is susceptible to inactivation by oxygen. How do free-living nitrogen-fixing bacteria like Azotobacter protect nitrogenase from oxygen?

During the process of root nodule formation, which of the following is the initial signal molecule released by the plant roots that attracts rhizobia?

What is the primary benefit for leguminous plants in forming root nodules with nitrogen-fixing bacteria?

A researcher observes that a particular legume mutant forms nodules, but these nodules fail to fix nitrogen. Which of the following gene mutations is MOST likely responsible?