7.图中物质甲是在胰岛B细胞中合成的,物质乙是溶菌酶,物质丙由

7.图中物质甲是在胰岛B细胞中合成的,物质乙是溶菌酶,物质丙由浆细胞合成分泌;

物质丁由垂体释放,可促进水分的重吸收。则下列说法正确的是:

A.物质甲、丁分别为胰岛素、抗利尿激素

B.控制甲、乙、丙、丁合成的物质是核糖核酸

C.物质乙、丙均只在特异性免疫中发挥作用

D.物质甲、乙、丙、丁的结构多样性只与a有关

答案

A

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