Questions
In a 250 amino acid sequence if the codon for the 56th amino acid is mutated to UGA, then
a
No polypeptide chain will be formed
b
A polypeptide chain with 249 amino acids will be formed
c
A polypeptide chain with 55 amino acids will be formed
d
A polypeptide chain with 56 amino acids will be formed.
detailed solution
Correct option is C
If the 56th codon in the mRNA becomes UGA, then there will be chain termination after the attachment of the 55th amino acid. Therefore, the polypeptide chain length has 55 amino acids.Talk to our academic expert!
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