Which one of the following triplet codes, is correctly matched with its specificity for an amino acid in protein synthesis or as 'start' or 'stop' codon?
A
UCG - Start
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B
UUU - Stop
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C
UGU - Leucine
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D
TAC - Tyrosine
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Solution
The correct option is D TAC - Tyrosine TAC is correctly matched to tyrosine. A codon is a sequence of three adjacent nucleotides constituting the genetic code that determines the insertion of a specific amino acid in a polypeptide chain during protein synthesis or the signal to stop protein synthesis.