Final answer:
Nitrogen is found in protein and nucleic acids, playing a crucial role in their structure and function.
Step-by-step explanation:
Nitrogen
Nitrogen is found in protein and nucleic acids. It is an essential element for life and plays a crucial role in the structure and function of these macromolecules. In proteins, nitrogen is present in the amino acids that make up the protein chains. In nucleic acids, nitrogen is part of the nitrogenous bases, such as adenine, cytosine, guanine, and thymine in DNA, and adenine, cytosine, guanine, and uracil in RNA.
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