29. The mRNA must contain the following to allow for initiation of protein synthesis in E. coli.
(A)A purine rich sequence to bind to the ribosome.
(B) A pyrimidine rich sequence to bind to the ribosome.
(C) A Shine-Delgarno sequence.
(D)A purine rich sequence to bind to the ribosome and a Shine-Delgarno sequence.
(E) A pyrimidine rich sequence to bind to the ribosome and a Shine-Delgarno sequence.
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