2. Lactose is formed
(A) by a reaction catalyzed by lactase.
(B) when water molecules are added to two monosaccharides.
(C) when ionic bonds link two monosaccharides.
(D) by aβ1→4 linkage between a galactose and a glucose molecule.
(E) when glucose and fructose are combined.
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統計: A(1), B(0), C(1), D(0), E(0) #2843918
統計: A(1), B(0), C(1), D(0), E(0) #2843918