A) adenine
B) uracil
C) guanine
D) cytosine
Correct Answer: B
Solution :
The triplet codon which acts as stop codon is called termination codon. These include UAG, UAA, and UGA. They do not code for any of the amino acids. These codons are not read by any tRNA molecules but are read by some specific proteins called release factors. These codons are also called non-sense codons.
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