88. In E. coli, base-pairing between a mRNA's ______ and the 3' end of the 16S rRNA permits the ribosome to select the proper initiation codon.
(A) 5' cap
(B) Shine–Dalgarno sequence
(C) poly( A ) tail
(D) start codon
(E) initiation factor
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1. 題目解析 這道題目主要考察的是E...