The joining of the amino acids into a chain results in the formation of a polypeptide chain which then folds into the compact, globular three-dimensional structure that is a functional protein.

氨基酸连接起来形成多肽链，多肽链又折叠压缩成球状三维结构的功能蛋白。

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OBJECTIVE: to investigate the impact of bone polypeptide ghrelin on the promotion of new bone formation during the in situ restoration of skull defect by in vitro skull flap.

目的：探讨骨多肽生长素在离体颅骨瓣原位修复颅骨缺损中促进新骨形成的作用。

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