Write the importance of $N$ in an organism.

(N/A) Nitrogen $(N)$ is one of the most essential mineral elements required by plants and other organisms. Its importance includes:
$1$. It is a major constituent of proteins,which are the building blocks of life.
$2$. It is an essential component of nucleic acids ($DNA$ and $RNA$),which carry genetic information.
$3$. It is a key element in vitamins and many hormones.
$4$. It is a structural component of chlorophyll,the pigment responsible for photosynthesis in plants.
$5$. It is present in coenzymes like $NAD$,$NADP$,and $ATP$,which are vital for metabolic reactions.