The Specificity of Certain Rhizobia to Infect Only Particular Plants

question 51

Multiple Choice

The specificity of certain rhizobia to infect only particular plants is in part due to the

• A) abundance of nutrients present in the soil.
• B) nifH genes they possess.
• C) rhizobial lipids that act as signaling molecules.
• D) season (time of year).

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