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4 ημέρες πριν · Proteins are complex substances made of many amino acids joined together in long chains. Learn about the functions, types, and sources of proteins in this article from Britannica.
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Proteins are large biomolecules composed of one or more chains of amino acids. Learn about the history, classification, biochemistry, structure, functions, methods of study, and nutrition of proteins.
13 Δεκ 2017 · Proteins are chains of amino acids called polypeptides that perform various functions in organisms. Learn about protein structure, examples and how they are made from DNA or RNA.
26 Μαρ 2021 · Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains. The sequence of amino acids determines each protein’s unique 3-dimensional structure and its specific function.
Proteins are made of large numbers of amino acids joined end to end. The process of making a protein is called gene expression, which involves transcription and translation of DNA and RNA.
Proteins are made of amino acids, which are linked by peptide bonds to form polypeptides. The shape and function of proteins depend on the sequence and interactions of amino acids, which determine the primary, secondary, tertiary and quaternary structures of proteins.
25 Οκτ 2024 · Proteins are composed of long chains of α-amino acids linked by peptide bonds. Learn about the types, functions, and structures of amino acids and proteins from Britannica.com.