Proteins always contain
Nitrogen
carbon, hydrogen, oxygen, and nitrogen. Some proteins may also contain sulfur, phosphorus, and various minerals. These elements make up the chemical composition of the amino acids, which are the building blocks of proteins. The specific arrangement of these amino acids in a protein determines its unique shape and function. Therefore, proteins always contain a combination of these organic and inorganic elements, which dictate their properties and structures. Additionally, many proteins also contain other functional groups, such as carboxyl and amino groups, which further contribute to their biochemical properties. Overall, proteins are complex and diverse molecules that play crucial roles in many biological processes.
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