The Specific Relationship Between a Legume and Its Mutualistic Rhizobium

question 19

Multiple Choice

The specific relationship between a legume and its mutualistic Rhizobium strain probably depends on ________.

• A) each legume having a chemical dialogue with a fungus
• B) each Rhizobium strain having a form of nitrogenase that works only in the appropriate legume host
• C) each legume being found where the soil has only the Rhizobium specific to that legume
• D) specific recognition between the chemical signals and signal receptors of the Rhizobium strain and legume species

---

Definitions:

Parallel Fashion

A manner in which activities or processes occur simultaneously or in a coordinated manner, often leading to increased efficiency or synchronization.

Slutsky Equation

A formula that decomposes the effect of a price change into a substitution effect and an income effect on the consumption of goods.

Extra Income Effect

The change in an individual's consumption choices resulting from a change in real income, due to factors other than a direct income increase.

Endowment

The total resources available to an individual or entity, which can include wealth, assets, or resources in an economic context.