1.How many different codons are normally used to decode the amino acid "tryptophan" in the genome of E. coli?
(A) 0
(B) 1
(C) 2
(D) 4
(E) 6.
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統計: A(0), B(2), C(1), D(1), E(0) #2844095
統計: A(0), B(2), C(1), D(1), E(0) #2844095