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Amino acids are transferred to the ribosome to be incorporated into a growing polypeptide chain by?
Wiki User
∙ 11y ago
tRNA
Wiki User
∙ 11y ago
transfer RNA (tRNA) molecules. Each tRNA carries a specific amino acid at one end and has a unique three-nucleotide sequence called an anticodon at the other end, which pairs with a complementary codon on the mRNA. This process ensures that the correct amino acids are brought to the ribosome and added to the growing polypeptide chain.
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When does the polypeptide stop growing?
The polypeptide stops growing when it reaches a stop codon on the mRNA during translation. This signals the ribosome to release the polypeptide chain, which then undergoes further processing to become a functional protein.
What is the location on ribosome in which the tRNA leaves?
The tRNA leaves the ribosome from the E (exit) site. This is the final step in the translation process, where the tRNA is released from the ribosome after transferring its amino acid to the growing polypeptide chain.
How many monomers are added to the growing polypeptide or protein chain in each step?
During each step of protein synthesis, one amino acid monomer is added to the growing polypeptide chain by the ribosome. This process occurs in a cyclical manner as the ribosome moves along the mRNA strand, adding one amino acid at a time.
When is the new Amino acid added to the polypeptide chain?
The new amino acid is added to the polypeptide chain during the elongation phase of translation. This occurs when the ribosome reads the mRNA codon and brings in the corresponding tRNA with the attached amino acid. The amino acid is then added to the growing polypeptide chain through peptide bond formation.
The sites A P and E are occupied by amino acids being assembled into a chain of polypeptide what are they part of?
The sites A, P, and E are part of the ribosome, the cellular machinery responsible for protein synthesis. The A site binds incoming aminoacyl-tRNA, the P site holds the growing polypeptide chain, and the E site exits the empty tRNA after its amino acid is transferred to the growing chain.
When does a polypeptide stop growing?
A polypeptide stops growing when the ribosome reaches a stop codon on the mRNA template. This triggers the release of the polypeptide chain, along with the ribosome and mRNA, from the protein synthesis machinery.
What regions of a ribosome holds the growing polypeptide?
The P site and the A site of the ribosome hold the growing polypeptide chain during translation. The P site is where the tRNA carrying the growing polypeptide is located, and the A site is where the new tRNA carrying the next amino acid in the sequence enters.
When does the polypeptide stop growing?
The polypeptide stops growing when it reaches a stop codon on the mRNA during translation. This signals the ribosome to release the polypeptide chain, which then undergoes further processing to become a functional protein.
What is the location on ribosome in which the tRNA leaves?
The tRNA leaves the ribosome from the E (exit) site. This is the final step in the translation process, where the tRNA is released from the ribosome after transferring its amino acid to the growing polypeptide chain.
How many monomers are added to the growing polypeptide or protein chain in each step?
During each step of protein synthesis, one amino acid monomer is added to the growing polypeptide chain by the ribosome. This process occurs in a cyclical manner as the ribosome moves along the mRNA strand, adding one amino acid at a time.
When is the new Amino acid added to the polypeptide chain?
The new amino acid is added to the polypeptide chain during the elongation phase of translation. This occurs when the ribosome reads the mRNA codon and brings in the corresponding tRNA with the attached amino acid. The amino acid is then added to the growing polypeptide chain through peptide bond formation.
The sites A P and E are occupied by amino acids being assembled into a chain of polypeptide what are they part of?
The sites A, P, and E are part of the ribosome, the cellular machinery responsible for protein synthesis. The A site binds incoming aminoacyl-tRNA, the P site holds the growing polypeptide chain, and the E site exits the empty tRNA after its amino acid is transferred to the growing chain.
How are amino acids transfered to the ribosome into a growing polypeptide chain?
Amino acids are transferred to the ribosome by transfer RNA (tRNA) molecules. During translation, tRNAs carrying specific amino acids bind to the ribosome and deliver their amino acids to the growing polypeptide chain through complementary base pairing between the anticodon on the tRNA and the codon on the mRNA. This process ensures the accurate incorporation of the correct amino acid into the growing protein chain.
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.
When the ribosome moves to the right what happens to the first tRNA molecule?
The first tRNA molecule is released as the ribosome moves to the right during translation. It is no longer needed once it has delivered its amino acid to the growing polypeptide chain.
The step of translation in which amino acids are added one at a time to the growing polypeptide is?
The step of translation in which amino acids are added one at a time to the growing polypeptide is called elongation. During elongation, transfer RNA (tRNA) molecules carrying amino acids enter the ribosome and add their amino acids to the growing chain in a sequence determined by the mRNA codons.
Which site on the ribosome does the new tRNA bring an amino acid to?
The new tRNA brings an amino acid to the A site on the ribosome. This is where the transfer of the growing polypeptide chain from the tRNA in the P site to the newly arriving amino acid on the tRNA in the A site occurs.
