人体内酶激素神经递质等三类物质都是a.均由活细胞产生的蛋白质b.与特定分子结合后起作用c.运输到靶细胞处才能�挥作用d.均具有信息传递作用 Template




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tomski人体内酶激素神经递质等三类物质都是a.均由活细胞产生的蛋白质b.与特定分子结合后起作用c.运输到靶细胞处才能�挥作用d.均具有信息传递作用 coloring