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Where do plants get the nitrogen they need to create amino acids and DNA?



A. Plants get their nitrogen from nitrogen gas (N2), which moves into leaves through holes called stomata.


B. Plants take up nitrates (NO3-) from the soil and convert them into ammonia (NH3).


C. Nitrogen-fixing bacteria convert nitrogen gas (N2) into ammonia (NH3), and plants take up some of the ammonia (NH3) through their roots.


D. Both B and C are correct.


E. A, B, and C are all correct.

Respuesta :

Answer: It is D because they get it from soil and the gas

Histrionicus

Plants get the nitrogen they need to create amino acids and DNA - option D. Option B and option C are correct.

Plants get nitrogen which is essential to form amino acid and nucleic acid that is DNA. Plants can not get the nitrogen gas directly from the air therefore, the process called nitrogen fixation takes place.

  • In nitrogen fixation, atmospheric nitrogen is converted to nitrates and ammonia with the help of nitrogen-fixing bacteria.
  • Lightning and rainstorm also assist in the fixation process.
  • plants take up nitrate from the soil and convert them into ammonia
  • Nitrogen gas is converted into ammonia (NH3) by bacteria, and plants take up some of the ammonia (NH3) through their roots to the shoot via the xylem.

Thus, the correct answer is - option D. both B and C are correct.

Learn more about nitrogen-fixation:

https://brainly.com/question/19938608

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