31. Regarding to interaction between atoms, which of the following is (are) covalent interaction?
(A) Hydrogen bond
(B) Disulfide bond
(C) Van der Waals interaction
(D) Ionic bond
(E) Salt bridge
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統計: A(0), B(4), C(0), D(0), E(0) #3413624
統計: A(0), B(4), C(0), D(0), E(0) #3413624