Question: What Is Needed For Translation?

Which step in translation does not require energy?

Which of the following step of translation does not consume a high energy phosphate bond.

Solution : a) Translocation means the shifting of ribosomes along m-RNA.

This step requires elongation factor (Translocase) and simultaneously the hydrolysis of GTP takes place that provides energy for the translocation (not ATP)..

Where does the process of translation occur?

In a prokaryotic cell, transcription and translation are coupled; that is, translation begins while the mRNA is still being synthesized. In a eukaryotic cell, transcription occurs in the nucleus, and translation occurs in the cytoplasm.

Does translation require ATP?

First, during the initiation of translation, a small ribosomal subunit binds to a molecule of mRNA. … About 5 ATP molecules are required for the addition of a single amino aid to a growing peptide chain.

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).

What enzyme is needed for translation?

Translation is catalyzed by a large enzyme called a ribosome, which contains proteins and ribosomal RNA (rRNA). Translation also involves specific RNA molecules called transfer RNA (t-RNA) which can bind to three basepair codons on a messenger RNA (mRNA) and also carry the appropriate amino acid encoded by the codon.

Is rRNA used in translation?

Ribosomal RNA (rRNA) is part of the ribosome, or protein builders, of the cell. Ribosomes are responsible for translation, or the process our cells use to make proteins. rRNA are responsible for reading the order of amino acids and linking amino acids together. They do this through a highly complex sequence.

Does translation require DNA?

DNA translation is the term used to describe the process of protein synthesis by ribosomes in the cytoplasm or endoplasmic reticulum. The genetic information in DNA is used as a basis to create messenger RNA (mRNA) by transcription. Single stranded mRNA then acts as a template during translation.

What three molecules are needed for translation?

Protein synthesis thus involves interactions between three types of RNA molecules (mRNA templates, tRNAs, and rRNAs), as well as various proteins that are required for translation.

What are the steps of translation?

Translation (biology)Initiation: The ribosome assembles around the target mRNA. The first tRNA is attached at the start codon.Elongation: The tRNA transfers an amino acid to the tRNA corresponding to the next codon. … Termination: When a stop codon is reached, the ribosome releases the polypeptide.

How many codons are needed for 3 amino acids?

Three codonsAnswer and Explanation: Three codons are needed to specify three amino acids.

What molecules are needed for translation?

The molecules involved in translation are mRNA, ribosomes, and tRNA. During translation, messenger RNA (mRNA) attaches to the ribosome.

What is the first step of translation?

The process of translation can be broken down into three stages. The first stage is initiation. In this step, a special “initiator” tRNA carrying the amino acid methionine binds to a special site on the small subunit of the ribosome (the ribosome is composed of two subunits, the small subunit and the large subunit).

What is the template for translation?

Translation. Transcription is the synthesis of RNA from a DNA template where the code in the DNA is converted into a complementary RNA code. Translation is the synthesis of a protein from an mRNA template where the code in the mRNA is converted into an amino acid sequence in a protein.

What are the 5 steps of translation?

Translation (Protein Synthesis) Initiation. In this step the small subunit part of the ribosome attaches to the 5′ end of the mRNA strand. … Elongation. … Termination.

Is RNA polymerase needed for translation?

During transcription, the enzyme RNA polymerase (green) uses DNA as a template to produce a pre-mRNA transcript (pink). The pre-mRNA is processed to form a mature mRNA molecule that can be translated to build the protein molecule (polypeptide) encoded by the original gene.

Which does the termination of translation require?

Translation ends in a process called termination. Termination happens when a stop codon in the mRNA (UAA, UAG, or UGA) enters the A site. … After the small and large ribosomal subunits separate from the mRNA and from each other, each element can (and usually quickly does) take part in another round of translation.

What are the 3 steps in translation?

Translation of an mRNA molecule by the ribosome occurs in three stages: initiation, elongation, and termination.

What does R RNA stand for?

ribosomal ribonucleic acidAlternative Titles: rRNA, ribosomal ribonucleic acid. Ribosomal RNA (rRNA), molecule in cells that forms part of the protein-synthesizing organelle known as a ribosome and that is exported to the cytoplasm to help translate the information in messenger RNA (mRNA) into protein.