Question

Which biological molecule contains a large amount of the element nitrogen? A) carbohydrates B) lipids C) proteins D) starches

Answer 1

The correct option is C, PROTEINS.
Protein are macro molecules which are made up of units called amino acids. There are twenty different amino acids, each with a unique R group. The elements find in protein include carbon, oxygen, nitrogen, etc. Nitrogen is one of the most important constituent of proteins. <span />