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What does RNA do in the cytoplasm?

Updated: 8/10/2023
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11y ago

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Short Answer is: amino acids.

The process in which RNA forms Protein is called Translation. The protein is formed on spherical organelles called ribosomes.

Ribosomes have two subunits, each composed of rRNA and proteins, the small unit and large subunit are both composed of Rna. The large subunit has three functional sites, P (peptidyl site), A (amino-acyl site) and the third catalyzes formation of the peptide bonds.

A Codon is a three-base sequence in mRNA that causes the insertion of a particular amino acid into a protein, or termination of translation.

An anti-codon is is a three-base sequence in a tRNA molecule base that pairs with a complementary codon in mRNA. tRNA with specific anticondon can carry a specific type of amino acid. Each amino acid is matched with correct tRNA by enzymes called amino-acyl tRNA synthatase. There is a whole family of these enzymes, one for each amino acid.

The translation completes in these steps: initiation,elongation and translocation.

Initiation: The small ribosomal subunit assembles on start codon AUG.

Elongation: it also has three steps:

(a)Codon recognition: tRNA with anticodon UAC and carrying the amino acid, binds to the codon.The tRNA is in the P site of large ribosomal subunit. The A site is available for the 2nd tRNA with anticodon, complementary to the next codon of m RNA.

(b)Peptide bond formation: The amino acid is carried by the 2nd tRNA and peptide bond is formed between it & new amino acid.

(c)Translocation: The 1st tRNA leaves the P site and 2nd tRNA moves to it, still bound to mRNA. Now the A site is again available for next tRNA. This process of polypeptide chain elongation continues until a stop codon is reached.

Termination: A release factor binds to the A site. It carries no amino acid but facilitate the release of the polypeptide, the ribosome and tRNA from the mRNA.

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RNA is the site of protein synthesis where amino acids are strung in sequence as directed by messenger RNA from the nucleus.

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Nucleic Acid

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ribosomal RNA (rRNA)

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RNA

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Q: What does RNA do in the cytoplasm?
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Related questions

What is RNA in the cytoplasm called?

Cytoplasmic Rna - cRna.


Where is RNA found in the cell?

RNA is found in the Cytoplasm


What type of rna takes a message out to the cytoplasm?

messenger rna


Which of the following compounds require the presence of the nuclear pores to move between the cytoplasm and the interior of the nucleus?

Ribosomal RNA, messenger RNA and proteins sythesized in the cytoplasm that are part of ribosomes.


How does the cell get the instructions for building a protein from the nucleus out to the cytoplasm?

m-RNA copy the information through transcription.Then m-RNA comes to cytoplasm.


Where is DNA and rna found?

In prokaryotic cells, DNA and RNA are both found in the cytoplasm. In eukaryotic cells, DNA is typically restricted to the nucleus and RNA is mostly in the cytoplasm.


What does RNA do before protein is made?

Rna moves from nucleus to the cytoplasm!


Which type of RNA travels from nucleus to cytoplasm?

tRNA or transfer RNA


How is the genetic transferred from the nucleus into the cytoplasm?

The genetic code is transferred from the nucleus into the cytoplasm by RNA. RNA is used to duplicate the DNA so it doesn't have to leave the nucleus.


What kind of rna is found in cytoplasm?

rRNA (ribosomes) are in the cytoplasm along with tRNA


RNA used to assemble amino acids in cytoplasm?

Transfer RNA or tRNA.


How is RNA translated and where?

RNA transcribed in nucleus and transported to cytoplasm for protein synthesis. RNA normally transcribed from DNA at cell nucleus and not translated. It can translates protein if there is a message in coded, in cytoplasm.