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The step of translation in which amino acids are added one at a time to the growing polypeptide is?
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∙ 10y ago
elongation
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∙ 10y ago
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What is added to the polypeptide strand?
Amino Acids from the tRNA strand during the translation process.
How many monomers are added to the growing polypeptide or protein chain in each step?
four
What is the sequence of events in translation?
1 ribosomes bind to mRNA 2 Amino acid-carrying tRNA molecules bind to mRNA 3 the polypeptide elongates as new amino acids are added 4 a stop codon on the mRNA is reached 5 the polypeptide is released 6 the ribosomes dissociate from the mRNA plato=C
How is protein created from amino acids?
To answer this question we have to talk a process called: "Translation". After the "Transcription", that is, the mechanism from where a mRNA molecule is synthesized from a DNA double helix. The mRNA molecule migrates outside the nucleus to the cytoplasm and specifically to the ribosomes (a complex protein organelles that serve as building machines for new polypeptide molecules). The mRNA molecule carries the specific sequence for the synthesis of the new polypeptide (protein) chain and serves as a "template" for the proper order of the amino acids that will constitute the new protein molecule. To add the amino acids to the growing polypeptide chain are necessary the tRNA molecules (these RNA structures carry a single amino acid that will be added to the growing polypeptide chain). Each tRNA has a specific three-nucleotide sequence (called "anticodon") that recognizes the corresponding three-nucleotide sequence (codon) on the mRNA molecule. Each amino acid monomer (carried by its particular tRNA) is anchored, one by one, to the previous amino acid that was added before by a peptide bond. This mechanism is taken place in a particular region of the ribosome, a cleft that provides the nascent polypeptide's exit path.
When is the new Amino acid added to the polypeptide chain?
in the ribosome :)
What is the purpose of a transfer RNA?
To carry the next amino acid to be added to a growing polypeptide chain during translation process that takes place in the ribosomes.
What is added to the polypeptide strand?
Amino Acids from the tRNA strand during the translation process.
What dictates the corresponding sequence of amino acids in a growing polypeptide chain?
The sequence of amino acids being added to the growing polypeptide chain is controlled by the instructions (codons, 3-base codes) on the mRNA. These are a copy of the coding regions of the gene from the DNA in the nucleus.
How many monomers are added to the growing polypeptide or protein chain in each step?
four
What Proteins are synthesized?
During protein synthesis, or translation, is a process that uses a messenger RNA transcript that is translated by a ribosome. Charged tRNAs carry new amino acids to the ribosome-mRNA complex. These amino acids are added to a growing polypeptide chain, with each amino acid being specifically added based on a three-nucleotide base mRNA codon-tRNA anticodon association.
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.
What is the sequence of events in translation?
1 ribosomes bind to mRNA 2 Amino acid-carrying tRNA molecules bind to mRNA 3 the polypeptide elongates as new amino acids are added 4 a stop codon on the mRNA is reached 5 the polypeptide is released 6 the ribosomes dissociate from the mRNA plato=C
How is protein created from amino acids?
To answer this question we have to talk a process called: "Translation". After the "Transcription", that is, the mechanism from where a mRNA molecule is synthesized from a DNA double helix. The mRNA molecule migrates outside the nucleus to the cytoplasm and specifically to the ribosomes (a complex protein organelles that serve as building machines for new polypeptide molecules). The mRNA molecule carries the specific sequence for the synthesis of the new polypeptide (protein) chain and serves as a "template" for the proper order of the amino acids that will constitute the new protein molecule. To add the amino acids to the growing polypeptide chain are necessary the tRNA molecules (these RNA structures carry a single amino acid that will be added to the growing polypeptide chain). Each tRNA has a specific three-nucleotide sequence (called "anticodon") that recognizes the corresponding three-nucleotide sequence (codon) on the mRNA molecule. Each amino acid monomer (carried by its particular tRNA) is anchored, one by one, to the previous amino acid that was added before by a peptide bond. This mechanism is taken place in a particular region of the ribosome, a cleft that provides the nascent polypeptide's exit path.
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I added flax seeds to my morning smoothie for added fiber and omega-3 fatty acids.
When is the new Amino acid added to the polypeptide chain?
in the ribosome :)
Observe how the mRNA interacts with the ribosome in the simulation. How is this interaction similar to what actually happens in translation?
The interaction between mRNA and ribosomes in the simulation is meant to reflect the process of translation that occurs in cells. During translation, the ribosome uses the information stored in the mRNA molecule to synthesize a protein. The ribosome moves along the mRNA molecule and reads its codons (sets of three nucleotides) to determine which amino acids should be added to the growing polypeptide chain. In the simulation, the mRNA molecule is represented as a linear sequence of codons, and the ribosome is represented as a moving object that recognizes and interacts with the codons. The ribosome moves along the mRNA and recognizes each codon by binding to it. This interaction is similar to what happens in real cells, where the ribosome recognizes codons by binding to specific sites on the mRNA molecule. In the simulation, the ribosome can also interact with tRNA molecules, which bring the correct amino acids to the ribosome for incorporation into the growing polypeptide chain. This is similar to what happens in real cells, where tRNA molecules bring the correct amino acids to the ribosome for use in protein synthesis. Overall, the interaction between mRNA and ribosomes in the simulation is meant to closely resemble the process of translation that occurs in cells.
Transfer RNA carries what to the messenger RNA?
When mRNA is being translated, it is attached to a ribosome. The tRNA brings an amino acid to be attached to the growing polypeptide chain connected to the ribosome. It interacts with the mRNA because the tRNA's anticodon has to be correctly paried with the mRNA's codon. This ensures that the right amino acid will be added to the polypeptide.
