The triplet codons UGA, UAG and UAA are termed as termination codons because they

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do not allow ribosomes to bind with mRNA

do not specify any amino acid

prevent binding of tRNA anticodons with mRNA

stop mRNA synthesis

answer is B.

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Detailed Solution

There are 64 codons out of which three codons namely ie. UAA, UAG and UGA do not specify any amino acid, and signal the end of the message. They are known as non-sense or terminator codons.

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