FAQ

Question: Why does translation occur?

What is the purpose 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.

Why does translation occur in the ribosome?

Translation takes place inside structures called ribosomes, which are made of RNA and protein. Ribosomes organize translation and catalyze the reaction that joins amino acids to make a protein chain. Illustration of the molecules involved in protein translation. A ribosome is shown with mRNA and tRNA.

Why does transcription and translation occur?

Transcription takes place in the nucleus. It uses DNA as a template to make an RNA molecule. RNA then leaves the nucleus and goes to a ribosome in the cytoplasm, where translation occurs. It is the transfer of genetic instructions in DNA to messenger RNA (mRNA).

What causes translation to start?

At the beginning of translation, the ribosome and a tRNA attach to the mRNA. The tRNA is located in the ribosome’s first docking site. This tRNA’s anticodon is complementary to the mRNA’s initiation codon, where translation starts. The tRNA carries the amino acid that corresponds to that codon.

What is the end result of translation?

When the ribosome reaches a stop codon, it releases the mRNA strand and amino acid sequence. The amino acid sequence is the final result of translation, and is known as a polypeptide.

What happens during translation?

Translation is the process by which a protein is synthesized from the information contained in a molecule of messenger RNA (mRNA). Translation occurs in a structure called the ribosome, which is a factory for the synthesis of proteins.

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What are the 4 steps of translation?

Translation happens in four stages: activation (make ready), initiation (start), elongation (make longer) and termination (stop). These terms describe the growth of the amino acid chain (polypeptide). Amino acids are brought to ribosomes and assembled into proteins.

What are the 5 steps of translation?

The multi-step translation process professional translators use

  • Step 1: Scope out the text to be translated.
  • Step 2: Initial translation.
  • Step 3: Review the accuracy of the translation.
  • Step 4: Take a break.
  • Step 5: Refine translation wording.

In what two places in the cell can translation occur?

In eukaryotes, transcription and translation take place in different cellular compartments: transcription takes place in the membrane-bounded nucleus, whereas translation takes place outside the nucleus in the cytoplasm. In prokaryotes, the two processes are closely coupled (Figure 28.15).

Which process is part of translation but not transcription?

In summary, we can say that the process that occurs in translation and does not occur in transcription is that transcription an mRNA model is used to create a chain of amino acids.

What is difference between translation and transcription?

The translation is the process of protein synthesis where the information on RNA is expressed in the form of polypeptide chains. Transcription is the first step in gene expression. The translation is the second and final step of gene expression.

What are the 3 processes of central dogma?

The central dogma states that the pattern of information that occurs most frequently in our cells is:

  • From existing DNA to make new DNA (DNA replication?)
  • From DNA to make new RNA (transcription)
  • From RNA to make new proteins (translation).
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What are the 6 steps of translation?

What are the Six Steps of Translation in Eukaryotes

  • I. binding of mRNA to ribosome.
  • (ii) Aminoacylation.
  • (iii) Initiation.
  • (iv) Elongation.
  • Step I- Binding of incoming aminoacyl.
  • (v) Termination.
  • (vi) Post-translational modifications.

What happens at the 5 end?

What happens at the 5end of the primary transcript in RNA processing? it receives a 5‘ cap, where a form of guanine modified to have 3 phosphates on it is added after the first 20-40 nucleotides. They help ribosomes attach to the 5end of the mRNA once it reaches the cytoplasm.

What are the 5 steps of protein synthesis?

The major steps are:

  • (a) Activation of amino acids:
  • (b) Transfer of amino acid to tRNA:
  • (c) Initiation of polypeptide chain:
  • (d) Chain Termination:
  • (e) Protein translocation:

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