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Messenger RNA, transfer RNA, and ribosomal RNA play a role in protein synthesis.
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∙ 11y ago
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What is the nucleiotide sequence in mRNA that determines a specific amino acid?
groups of three nuleotides in mRNA codes for each one specific amino acid, these groups of three nucleotides are called as codon
What does each codon in mRNA specify?
Each codeword on mRNA corresponds with a single amino acid. However, There can be multiple codewords corresponding with the same amino acid.
Where in the cell do mRNA and amino acids on tRNA's come together to make a protein?
During translation, tRNA anticodons pair with the complementary mRNA codons at the ribosomes. Each tRNA molecule carries with it an amino acid according to its specific code. As each tRNA releases its amino acid, peptide bonds form between the amino acids. After each tRNA releases its amino acid, it is free to pick up another amino acid in the cytoplasm.
The molecule that carries each amino acid to its correct position along mRNA in the cytoplasm you?
mRNA
What is produced by 3 bases per amino acid?
Three nucleotides on an mRNA which codes for a specific amino acid is called a codon.
What is the role of tRNA durning translation?
A tRNA molecule brings an amino acid from the cytoplasm to its correct location on the mRNA molecule at the ribosome where it will be added to the amino acid chain. A tRNA molecule has an anticodon that is complimentary to a specific mRNA codon for a particular amino acid.
Is an amino acid a mRNA or tRNA?
An amino acid is not mRNA or tRNA. Amino acids are the building blocks of proteins, while mRNA carries the genetic information from DNA to the ribosome to be translated into a protein, and tRNA is responsible for bringing specific amino acids to the ribosome during protein synthesis.
What do transfer RNA molecules do during protein synthesis?
Each type of tRna carries a specific amino acid at one end, and at the far-side 'presents' a triplet codon to the complementary triplet codon in the [being translated] mRna which is embedded in a specific channel in the Ribosomes. These amino acids are sequentially added to the growing, nascent protein chain. Transfer RNA (tRNA) carries amino acids to the ribosomes, to enable the ribosomes to put this amino acid on the protein that is being synthesized as an elongating chain of amino acid residues, using the information on the mRNA to "know" which amino acid should be put on next. For each kind of amino acid, there is a specific tRNA that will recognize the amino acid and transport it to the protein that is being synthesized, and tag it on to the protein once the information on the mRNA calls for it.
What reads mRNA to determine the correct aino acid sequence to assemble?
Ribosomes do that, reading the mRNA in groups of 3 called "codons" for the specific amino acid
Why does a particular tRNA becomes temporarily attached only to a specific triplet of mRNA?
Each tRNA molecule contains a specific three-base segment (anticodon) which binds to the complementary codon in mRNA,and a binding site for a specific amino acid.
Which molecules match mRNA codons to specific amino acids?
Starting from the translation start codon in the mRNA molecule, each three bases corresponds to a single amino acid, until you reach the stop signal. Some amino acids have more that one triplet that codes for them (redundancy). Some parts of the mRNA molecule are untranslated and therefore do not correspond to amino acids.
Do amino acids bind directly to the mRNA?
mRNA connects with the subunits of the ribosome. Each codon is read specifically and a matching anticodon brought by a tRNA is transferred. Each matched triplet adds amino acids to the polypeptide chain.
