The Advantage of Nitrogen Fixation to the Host Plant Is

Multiple Choice

The advantage of nitrogen fixation to the host plant is:

A) the production of DNA and RNA nucleotides required for nucleic acids.
B) the ability to use nitrogen gas instead of oxygen gas in cell respiration,particularly when the soil is compacted.
C) the production of antibiotics which then protects the plant against pathogenic bacteria in the soil.
D) the ability to synthesize amino acids and proteins from the ammonia produced from nitrogen fixation.