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The three codons UAA (ochre), UAG (amber), and UGA (opal) that do not code for an amino acid but act as signals for the termination of protein synthesis.

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14y ago

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How many protein-coding codons are there?

61 codons specify the amino acids used in proteins and 3 codons (stop codons) signal termination of growth of the polypeptide chain...so 64 total


What are stop codons used for in coded messages?

Stop codons serve as signals in genetic coding to indicate the termination of protein synthesis. In the genetic code, they are specific nucleotide sequences (UAA, UAG, and UGA) that tell the ribosome to stop translating the mRNA into an amino acid chain. This ensures that proteins are synthesized to their correct lengths and prevent the production of incomplete or dysfunctional proteins. In a broader context, stop codons can be likened to punctuation marks in coded messages, signaling the end of a thought or instruction.


Trna has codons or anticodons?

anti-codons for sure!


Are there three bases on the mRNA called codons?

All mRNA and DNA sets of three are codons, and rRNA is anti-codons.


How many codons are in aaaugcucguaa?

There are four codons in AAA UGC UCG UAA. A codon is a sequence made of three nitrogenous bases. Codons have particular features, making it possible for them to be start codons, stop codons, introns, or exons.


What is true about codons?

Codons are sequences of three nucleotides in mRNA that specify a particular amino acid. There are 64 possible codons, including start and stop codons. Codons are central to the process of translation, where they are matched with complementary anticodons on tRNA molecules to assemble proteins.


Which codons are the stop signals?

There are three such codons known as stop codons, which are UAA, UAG, or UGA.


What are codons that do not carry information for making proteins called?

Codons that do not carry information for making proteins are called non-sense codons.


How many different codons are possible with the four different nucleotides?

There are 64 possible different codons (4 nucleotides in a sequence of 3), including 61 codons that code for amino acids and 3 stop codons.


What 3 codons do not carry amino acids?

There are three codons that do not code for any amino acids: the stop codons. These are TAG, TAA, and TGA (in DNA, not RNA).


How many start and stop codons are there?

There is only one start codon, which is AUG (codes for methionine), and three stop codons, which are UAA, UAG, and UGA. These codons play essential roles in initiating and terminating protein synthesis during translation.


What is rRNA polymerase?

it decodes the mRNA to then the codons of the mRNA can interact with the anti-codons of the tRNA