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Tyrosine's anticodon is AUA, what is the DNA base triplet for its codon?

a) TAT
b) ATU
c) UAT
d) AAT

1 Answer

4 votes

Final Answer:

The DNA base triplet TAT corresponds to Tyrosine's anticodon AUA through the complementary base-pairing rule (A pairs with T). Therefore, the correct answer is option a) TAT.

Step-by-step explanation:

The genetic code is a set of rules that specifies the correspondence between codons in mRNA and amino acids in proteins. Tyrosine's anticodon AUA pairs with its complementary codon TAT in mRNA during translation.

In the DNA, adenine (A) always pairs with thymine (T). Therefore, for Tyrosine's codon AUA, its DNA base triplet is TAT. The sequence specificity ensures the accurate translation of genetic information from DNA to RNA and, ultimately, to proteins. This adherence to base-pairing rules is fundamental in molecular biology processes like transcription and translation.

Therefore, the correct answer is option a) TAT.

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