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　　Classification of amino acids, several special amino acids, molecular structure and physical and chemical properties of protein, composition of nucleic

　　Protein is composed of C (carbon), H (hydrogen), O (oxygen) and N (nitrogen). Generally, protein may also contain P (phosphorus),

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모모Chemical composition of nucleic acid:In order to facilitate users to have a better experience, inhibitors Many attempts have been made

　　Protein, the source of life, how much do you know? Protein’s knowledge is not simple, as the key and difficult

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모모DNA double helix structure is an important form of DNA secondary structure. It is a structural model put forward by

　　Protein is a substance with a certain spatial structure, which is formed by the zigzag folding of polypeptide chains composed

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