3. What is the function of a stop codon?
tells ribosomes and tRNA to package the proteins for transport out of the cell
tells ribosomes and tRNA to return to the nucleus of the cell
tells ribosomes and tRNA molecules to attach to a strand of mRNA and begin reading and translating
Otells ribosomes and tRNA to stop reading codons and detach



Answer :

The function of the stop codon is that it tells ribosomes and tRNA to stop reading codons and detach. That is option A.

What is stop codon?

Stop codon which is also known as the terminal codon is defined as the sequence of nucleotides that signals the cell to terminate the production of proteins.

Examples of the stop codons seen in the cells include the following sequences:

  • UAG,

  • UAA, and

  • UGA.

The functions of stop codons include the following:

  • They signal the end of protein coding sequences,

  • They mark the site at which protein synthesis ends, and

  • They disassociate the ribosomal subunits.

Therefore, the function of the stop codon is that it is tells ribosomes and tRNA to stop reading codons and detach.

Learn more about ribosomes here:

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