Biochemistry – MCQ 73 – Shine Dalgarno sequence

Shine Dalgarno sequence in bacterial mRNA is near:
A. AUG codon
B. UAA codon
C. UAG codon
D. UGA codon

Correct answer : A. AUG codon

Shine Dalgarno sequence is important in the initiation of translation. It is a sequence of bases (5′-UAGGAGG-3′) which is located 6-10 bases upstream of the AUG codon in mRNA.