胰岛素是由(?)A．胰岛B细胞分泌B．胰岛A细胞分泌C．肾上腺皮质分泌D．肾上腺髓质分泌E．垂体分泌

作者: rantiku 人气: - 评论: 0

问题胰岛素是由(?)

选项 A．胰岛B细胞分泌 B．胰岛A细胞分泌 C．肾上腺皮质分泌 D．肾上腺髓质分泌 E．垂体分泌

答案 A

解析

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