Question

Choose the correct option for the following question. You may choose more than one option.

Why is nitrogen important to us?

• A. It forms biomolecules like proteins.
• B. It makes up to 78% of our atmosphere.
• C. We inhale nitrogen.
• D.
  It forms molecules like DNA and RNA

Answer 1

Answer: (A), (D)

It forms molecules like DNA and RNA
Nitrogen is the most abundant gas in our atmosphere and is also a part of many essential biomolecules to life, like proteins, nucleic acids (DNA and RNA) and some vitamins. It is also found in other biological important compounds also such as alkaloids and urea. Thus nitrogen is very important to us.