Introns Are Known to Contain Termination Codons (UAA,UGA,or UAG),yet These

question 33

Multiple Choice

Introns are known to contain termination codons (UAA,UGA,or UAG) ,yet these codons do not interrupt the coding of a particular protein.Why?

• A)UAA,UGA,and UAG are initiator codons,not termination codons.
• B)Exons are spliced out of mRNA before translation.
• C)These triplets cause frameshift mutations,but not termination.
• D)More than one termination codon is needed to stop translation.
• E)Introns are removed from mRNA before translation.

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