Respuesta :
Nitrogen is one of the important elements for life. nitrogen is present in dna and proteins. it is also a component of in plants, a pigment that is critical for photosynthesis. although nitrogen is present in the air, it can't be consumed directly. it is converted into usable form, such as NO2.
- Nitrogen is the most abundant element in the atmosphere of our planet. Nitrogen gas accounts for approximately 78% of the atmosphere (N2). Nitrogen is an essential component of the nucleic acid DNA.
- Deoxyribonucleic acid a self-replicating substance found in practically all living species as the major component of chromosomes and the bearer of genetic information. Ribonucleic acid, a nucleic acid found in all living cells, functions as a messenger delivering DNA instructions.
- Fixation is the process by which atmospheric nitrogen (N2) is transformed into useful forms such as NO2-. The bulk of nitrogen is fixed by bacteria, the majority of which are plant-symbiotic. Specialized bacteria convert recently fixed ammonia to physiologically usable molecules.
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