28. Which amino acids absorb ultraviolet radiation between 250 - 280 nm?
(1) His; (2) Tyr; (3) Trp; (4) Pro; (5) Phe
(A) (1)(2)
(B) (2)(3)(5)
(C) (2)(5)
(D) (1)(4)
(E) (1)(3)(5)
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統計: A(0), B(28), C(1), D(0), E(3) #3086651
統計: A(0), B(28), C(1), D(0), E(3) #3086651