Asked by: Allyn Gerik
science genetics

What is the site of protein synthesis in the cell?

Last Updated: 1st April, 2020

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Protein is assembled inside cells by an organelle called a ribosome. Ribosomes are found in every major cell type and are the site of protein synthesis.

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Also know, what is cell protein synthesis?

Protein synthesis is the biological process by which cells generate proteins from RNA. They are principally during transcription (phenomena of RNA synthesis from DNA template) and translation (phenomena of amino acid assembly from RNA).

Additionally, what is the process of protein synthesis? Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus. After the mRNA is processed, it carries the instructions to a ribosome in the cytoplasm.

One may also ask, what is the site of protein synthesis in eukaryotic cells?

4.4 Ribosomes: the sites of protein synthesis. The mRNA molecules exported from the nucleus are translated into protein in the cytoplasm by the ribosomes (which are RNA-protein complexes, not organelles). Ribosomal structure is similar in prokaryotic and eukaryotic cells.

What organelles are involved in protein synthesis?

Ribosomes and Endoplasmic Reticulum Ribosomes are the organelles responsible for protein translation and are composed of ribosomal RNA (rRNA) and proteins. Some ribosomes are found in the cytoplasm, a gel-like substance that organelles float in and some are found in the rough endoplasmic reticulum.

Related Question Answers

Jacquelynn Gorri

Professional

Why Protein synthesis is important?

The ribosome assembles the correct amino acids to form a new protein. Proteins are important in all cells and do different jobs, such as incorporating carbon dioxide into sugar in plants and protecting bacteria from harmful chemicals. If protein synthesis goes wrong, diseases such as cancer can occur.

Cuauhtemoc Kovarsky

Professional

Do all cells need ribosomes?

All cells need proteins to live. Thus, all cells have ribosomes. While a structure such as a nucleus is only found in eukaryotes, every cell needs ribosomes to manufacture proteins. Since there are no membrane-bound organelles in prokaryotes, the ribosomes float free in the cytosol.

Carrol Birenboim

Professional

How is ATP used in protein synthesis?

ATP powers the synthesis of proteins, nucleic acids and all other building blocks that make up organisms. By sacrificing a portion of its energy and protein synthesis potential, a cell may regain growth by repurposing Mg2+ from ATP complexes and dysfunctional ribosomes to essential biological processes (Fig. 1).

Joycelyn Zingraf

Explainer

What affects protein synthesis?

In eukaryotes translation initiation depends upon the 5′ cap of mRNA. Additionally, the initiation, elongation, and release factors are different between the two groups. During the stationary phase of prokaryotes, or when resources are scarce, protein synthesis slows due to inactivation of the ribosomes.

Michael Uribe Etxebarria

Explainer

How long does protein synthesis take in a cell?

The synthesis of most protein molecules takes between 20 seconds and several minutes. But even during this very short period, multiple initiations usually take place on each mRNA molecule being translated.

Jannat Manavendra

Explainer

What is the first step in protein synthesis in eukaryotic cells?

The first step of protein synthesis is called transcription. The DNA transcription to mRNA is actually the first step of the protein synthesis. During the transcription step the instructions encoded in the DNA of the genes are transcribed into the nucleotide sequence code of a ribonucleic acid (RNA).

Kemoko Reitmeier

Pundit

Where does protein synthesis take place in prokaryotes?

In prokaryotes, protein synthesis, the process of making protein, occurs in the cytoplasm and is made of two steps: transcription and translation. In transcription, sections of DNA called operons are transcribed to mRNA in the cytoplasm by RNA polymerase.

Naji Castilleja

Pundit

What is the role of tRNA in protein synthesis?

The overall role of tRNA in protein synthesis is to decode a specific codon of mRNA, using its anticodon, in order to transfer a specific amino acid to the end of a chain in the ribosome. Many tRNAs together build upon the amino acid chain, eventually creating a protein for the original mRNA strand.

Malinalli Ranjani

Pundit

How is the nucleolus involved in protein synthesis?

The nucleoplasm is also where we find the nucleolus. The nucleolus is a condensed region of chromatin where ribosome synthesis occurs. They receive their “orders” for protein synthesis from the nucleus where the DNA is transcribed into messenger RNA (mRNA).

Lakita Verbitsky

Pundit

What happens in the process of protein synthesis?

Protein synthesis is accomplished through a process called translation. After DNA is transcribed into a messenger RNA (mRNA) molecule during transcription, the mRNA must be translated to produce a protein. In translation, mRNA along with transfer RNA (tRNA) and ribosomes work together to produce proteins.

Gislene Udi

Teacher

What is 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.

Camen Riagain

Teacher

What is the process of transcription?

Transcription is the process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA). DNA safely and stably stores genetic material in the nuclei of cells as a reference, or template.

Brittanie Bashinsk

Teacher

What are the steps in the process of protein synthesis?

Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus. It includes three steps: initiation, elongation, and termination.

Jenaro Kienzle

Teacher

What are the 7 steps of protein synthesis?

The Seven Steps Of Protein Synthesis
  • Once the code has been completely read, a stop signal is given and protein synthesis is complete and the protein goes where it is needed. This is a real Twinkie.
  • m RNA takes copied code out of nucleus to the ribosomes. The ribosomes "read" the copied DNA code. Sales Kickoff - EnergyWSales Kickoff - Ene…

Harald Eikhenvald

Reviewer

What is protein synthesis simple explanation?

The short answer is that the code of letters in DNA is a recipe to make proteins.Proteins form structures, enzymes or other chemicals to create the building blocks of organisms and maintain homeostasis. Protein synthesis requires the use of DNA and all three forms of RNA to read the code and make the desired protein.

Arpad Frik

Reviewer

What are the 5 steps in protein synthesis?

Terms in this set (5)
  • Copy of one side of DNA strand is made (called mRNA, messenger RNA)
  • mRNA moves to cytoplasm, then ribosome.
  • mRNA goes through ribosome 3 bases at a time.
  • transfer RNA (tRNA) matches up with the open DNA bases.
  • tRNA releases the amino acid at the top, which joins the chain of amino acids being produced.