What happens during initiation?

Asked by: Brigette Namur

asked in category: General Last Updated: 15th May, 2020

What happens during initiation?

Initiation of translation occurs when mRNA, tRNA, and an amino acid meet up inside the ribosome. During elongation, amino acids are continually added to the line, forming a long chain bound together by peptide bonds. Once a stop codon reaches the ribosome, translation stops, or terminates.

Similarly, you may ask, what happens during transcription initiation?

Initiation is the beginning of transcription. It occurs when the enzyme RNA polymerase binds to a region of a gene called the promoter. This signals the DNA to unwind so the enzyme can ”read” the bases in one of the DNA strands. The enzyme is now ready to make a strand of mRNA with a complementary sequence of bases.

Subsequently, question is, what happens during elongation? Translation: Elongation. Translation elongation is simply the ribosome travelling down the message, reading codons and bringing in the proper aminoacyl tRNA’s to translate the message out to protein. The incoming aminoacyl tRNA is brought into the ribosome A site, where it is matched with the codon being presented.

Also asked, what is the first step when initiating translation?

The steps in translation are:The ribosome binds to mRNA at a specific area. The ribosome starts matching tRNA anticodon sequences to the mRNA codon sequence. Each time a new tRNA comes into the ribosome, the amino acid that it was carrying gets added to the elongating polypeptide chain.

What are the steps in the process of translation?

Translation proceeds in three phases:

  • Initiation: The ribosome assembles around the target mRNA.
  • Elongation: The tRNA transfers an amino acid to the tRNA corresponding to the next codon.
  • Termination: When a peptidyl tRNA encounters a stop codon, then the ribosome folds the polypeptide into its final structure.
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