Significance of carbon-water and nitrogen

Question

Describe the respective significance of the carbon, water, and nitrogen for the living beings.

Answer 1

Water refers to the main solvent of living beings and it is essential practically for all the biochemical reactions, involving as the reagent of photosynthesis. Several properties of the water are very significant for the life.

Carbon is considered as the chief chemical element of the organic molecules; carbon dioxide is also the reagent of photosynthesis and product of energetic metabolism of the living beings.

Nitrogen is regarded as a fundamental chemical element of the amino acids, building blocks of the proteins which in their turn are the main functional molecules of living beings; nitrogen is also the part of nucleic acid molecules, the basis of reproduction, heredity, and protein synthesis.