What happens in the 3 steps of translation?

Translation of an mRNA molecule by the ribosome occurs in three stages: initiation, elongation, and termination. Then a transfer RNA (tRNA) molecule carrying the amino acid methionine binds to what is called the start codon of the mRNA sequence.

What are the three parts of translation?

Translation: Beginning, middle, and end Translation has pretty much the same three parts, but they have fancier names: initiation, elongation, and termination. Initiation (“beginning”): in this stage, the ribosome gets together with the mRNA and the first tRNA so translation can begin.

What happens during the steps of 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.

How many stages of translation are there?

three stages
Translation is a process by which the genetic code contained within a messenger RNA (mRNA) molecule is decoded to produce a specific sequence of amino acids in a polypeptide chain. It occurs in the cytoplasm following transcription and, like transcription, has three stages: initiation, elongation and termination.

What is the main purpose of the process of translation?

Translation is the process of translating the sequence of a messenger RNA (mRNA) molecule to a sequence of amino acids during protein synthesis. The genetic code describes the relationship between the sequence of base pairs in a gene and the corresponding amino acid sequence that it encodes.

What is required for translation?

The key components required for translation are mRNA, ribosomes, and transfer RNA (tRNA). During translation, mRNA nucleotide bases are read as codons of three bases. Each codon codes for a particular amino acid.

What are the 6 steps of translation?

Translation is executed in six steps: (i) binding of mRNA to ribosome, (ii) aminoacylation, (iii) initiation, (iv) elongation, (v) termination and (vi) post-translational modification, (i) Binding of mRNA to ribosome. I. binding of mRNA to ribosome.

What is the initiation step in translation?

The first step in translation, initiation, begins when an mRNA binds to a free light ribosomal subunit. A transfer RNA molecule then brings the first amino acid to the light subunit of the ribosome. Other protein factors join this assemblage and then the heavy ribosomal subunit binds to complete initiation.

What happens in initiation in translation?

Initiation of translation usually involves the interaction of certain key proteins, the initiation factors, with a special tag bound to the 5′-end of an mRNA molecule, the 5′ cap, as well as with the 5′ UTR.

What is the termination of translation?

Termination of translation occurs when the ribosome encounters a stop codon . There are slighty different views as to what happens; some textbooks state that there is a release factor bound to the stop codon, that displaces the ribosome when it reaches that point. Dr. Webb prefers the idea that the stop codon is simply a codon…