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A stop codon (UGA, UAA, UAG) only codes for a stop. No amino acid results from a stop codon.

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14y ago

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What amino acid does rna sequence AAA specify?

No amino acid is coded for. It is a stop codon that instructs to stop the process of translation.


Each codon calls for a specific?

amino acid


What is the term for a 3-nucleotide sequence on mRNA that codes for an amino acid?

the three nucleotides on a mRNA that codes for a amino acid is called a codon


A point mutation that changes a codon specifying an amino acid into a stop codon is called a?

nonsense mutation


What is the amino acid to uua?

what is the true amino acid is that amino acid aau?


Does every codon represent an amino acid?

No, not every codon represents an amino acid. There are several codons known as "stop" codons (UGA, UAA, UAG) that do not code for an amino acid; instead they code for the termination of translation.


For any codon there can only be one?

There is only one corresponding amino acid for each codon. Each codon codes specifically for one amino acid (however, an amino acid can be coded for by several different codons). For example: CAU codes for Histamine (and not any other amino acid) But, CAC also codes for Histamine.


What protein sequence is coded by the code UAG?

The sequence UAG is the mRNA codon that means "stop" and does not code for an amino acid.


What does each single codon stand for or code for protein production to stop?

Each single codon codes for an amino acid in a protein sequence or signals the end of protein synthesis. The three stop codons (UAA, UAG, UGA) signal the termination of translation and protein production.


Is tryptophan the starting codon for mRNA?

No, tryptophan is an amino acid, not a codon. The start codon is AUG, which codes for the amino acid methionine.


How many amino acids make a codon?

One codon specifies a specific amino acid. However, more than one codon can code for the same amino acid. For example, the codon GUU codes for the specific amino acid valine; and the codons GUC, GUA, and GUG also code for valine.


A polypeptide found in the cytoplasm of a cell contains 12 amino acids How many nucleotides would be required in the mRNA for this polypeptide to be translated?

Since each amino acid is coded for by a specific triplet of nucleotides (codon), and there is a start codon and a stop codon, we need 15 nucleotides in the mRNA (3 nucleotides for each amino acid + 3 for start codon + 3 for stop codon).