Question
Question What amino acid does the mRNA AAU codon "code" for? A Ser B Lys GIn D Asn
Answer
4.2
(387 Votes)
Isaiah
Master · Tutor for 5 years
Answer
D Asn
Explanation
To determine which amino acid is coded by a specific mRNA codon, we refer to the genetic code, which is a set of rules that defines how the sequence of nucleotides in mRNA is translated into the sequence of amino acids in a protein. The mRNA codon in question is AAU, which stands for Adenine-Adenine-Uracil. Each three-nucleotide codon in mRNA corresponds to a single amino acid or a stop signal during protein synthesis.To find the amino acid that corresponds to the AAU codon, we can use a codon table that shows the 64 different codons and the amino acids they code for. By looking at this table, we can see that the codon AAU codes for the amino acid asparagine. The other options provided correspond to different codons: Ser (Serine) is coded by codons such as UCU, UCC, UCA, UCG, AGU, and AGC; Lys (Lysine) is coded by AAA and AAG; and Gln (Glutamine) is coded by CAA and CAG.Therefore, by consulting the genetic code, we can confidently determine that the mRNA codon AAU codes for asparagine.