In mRNA strand having specific number of genetic codes, if the 23^{\text{rd }} genetic code UUA is replaced by UAA, what will be the change found in synthesized polypeptide chain?

Correct Answer is : Protein synthesis will stop after 22nd amino acid

Amino acid on 23^{\text{rd }} place will be change in polypeptide chain

Protein synthesis will stop after 22^{\text{nd }} amino acid

There will be no change in polypeptide chain

GUJCET 2019 Biology Solved Paper

Question : 7 of 40

Marks: +1, -0

In mRNA strand having specific number of genetic codes, if the 23‌rd ‌ genetic code UUA is replaced by UAA, what will be the change found in synthesized polypeptide chain?

Amino acid on 23‌rd ‌ place will be change in polypeptide chain
Protein synthesis will stop after 22‌nd ‌ amino acid
There will be no change in polypeptide chain
None amongst these

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