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vichka [17]
3 years ago
5

The final phase of translation, called termination, is signaled by three nucleotides, called a __________, that mark the end of

a polypeptide chain. intron exon plasmid stop codon
Biology
1 answer:
mylen [45]3 years ago
5 0

Answer:

The correct answer is "stop codon"

Explanation:

Codon is a trinucleotide (three nucleotides) sequence that translates to a specific amino acid or stops the translation of genetic sequence to amino acids. There is a codon table that is usually used to determine the corresponding protein.

However, a sequence of DNA or RNA sequence will have 3 nucleotides (codons) each been translated to a specific amino acid. For example, the sequence below can be translated as follows

5' - UAUGGAUUUAGACACUAG -3'

UAU - Tyrosine

GGA -Glycine

UUU - Phenylalanine

AGA - Arginine

CAC - Histidine

UAG - stop codon

<u>The stop codon is a codon that doesn't code for any amino acid and signals the stop of protein synthesis/gene translation of a sequence</u>. There are three stop codons which are UAG, UGA and UAA.

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