Question

Select the following TRUE statement regarding the Shine-Dalgarno sequence Group of answer choices It is located...

Select the following TRUE statement regarding the Shine-Dalgarno sequence

Group of answer choices

It is located near the 3' end of the mRNA.

It is complementary to a region of the 16S rRNA molecule.

It is conserved in all 3 domains of life.

It overlaps with the start codon.

Homework Answers

Answer #1

It is complementary to a region of the 16S rRNA molecule.

First statement is incorrect because shine dalgarno sequence is located near 5' end of messenger RNA.

Second statement is correct because ribosome binds to shine dalgarno sequence by complementary base pairing between this sequence and 16s ribosomal RNA sequence present in the ribosome itself.

Third statement is incorrect because this sequence is present only in prokaryotes.

Fourth statement is incorrect because it is present upstream of start codon and does not overlap with it.

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