The element that is uniquely found in all proteins and some vitamins is

The element that is uniquely found in all proteins and some vitamins is nitrogen. Nitrogen is a part of amino acids and urea. Amino acids are the building squares of all proteins. Proteins involve not just basic parts, for example, muscle, tissue, and organs yet in addition compounds and hormones basic for the working of every living thing. Urea is a side-effect of protein processing.

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