An 测验
EN中一个
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- 问题 1 :
- An
Superoxide dismutase has been localized in the human periodontal ligament, and it may represent an important defense within gingival fibroblasts against superoxide release. 3 Superoxide dismutase, previously known as erythrocuprein (in humans) or hemocuprein (in bovines), exists as a family of metalloproteins and is widely distributed in mammalian tissues.
资料来源: 维基词典