2. In a Merrifiled solid phase peptide synthesis, if there are 5 steps and each goes in 90%
yield, what is the overall yield?
(A)18%
(B)45%
(C) 59%
(D)90%
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統計: A(0), B(0), C(1), D(1), E(0) #2826239
統計: A(0), B(0), C(1), D(1), E(0) #2826239