In Earth's atmosphere, the gas that helps living things make proteins is nitrogen. Nitrogen is a vital component for living organisms to build proteins, which are essential for various functions in their bodies. Plants, animals, and humans all require nitrogen to synthesize proteins that play crucial roles in growth, repair, and maintenance of tissues.
1. Nitrogen is a major part of amino acids, which are the building blocks of proteins.
2. Plants obtain nitrogen from the soil in the form of nitrates and convert it into proteins through a process called nitrogen fixation.
3. Animals acquire nitrogen by consuming plants or other animals that have already synthesized proteins from nitrogen.
By providing nitrogen as a fundamental element for protein synthesis, Earth's atmosphere indirectly supports the survival and functioning of living organisms.