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Biochemistry AIIMS 2019 08f3bf0c

Which of the following binds mRNA with ribosome in prokaryotes?

A
tRNA
B
Shine Dalgarno sequence
C
7 methyl guanosine capping
D
Poly A tail
High-Yield Explanation
Shine Dalgarno sequence Only in prokaryotes present at -10 position on mRNA, Rich in purines. SD sequence is complementary to 16 s rRNA, Their binding helps in binding of mRNA with ribosome during initiation of translation * In eukaryotic cells, ribosomes recognize most eukaryotic mRNAs by binding to the 7-methylguanosine cap at their 5' terminus.

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