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

　　The supercoiled structure formed by the further spiral of DNA molecules is called the tertiary structure of DNA.In order to

　　Ski pants are by no means ordinary pants, but your right-hand man for adventure in the snow, allowing you to

　　We often talk about future technological trends, but sometimes we have to admit that in the pursuit of more efficient

　　Amino acid chain is the main and core component in protein, but it is not necessarily the only component. Some

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

　　Points to pay attention to when choosing snow pants:Only by working together can we turn baggy snowboard pants The value

　　Shanghai Guanxian Optoelectronic Technology Co., Ltd. is honored to announce the launch of a brand-new 1.3-inch knob screen, which belongs

　　Protein is the “building material” of organisms and cells, such as protein in muscles, and human hair and nails are

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