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What code tells a cell to stop making a protein?
The code for a cell to stop making a protein is a stop codon in the mRNA sequence. Proteins are synthesized by the ribosome until it encounters a stop codon (e.g., UAA, UAG, UGA), which signals the end of translation, leading to the release of the protein and dissociation of the ribosome from the mRNA.
What does the stop codon do in the process of protein synthesis?
The stop codon signals the end of protein synthesis by instructing the ribosome to stop adding amino acids to the growing protein chain.
What happens at the end of translation?
the amino acids detach from the ribosome
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.
Why do you think stop and start codon signals are necessary for protein synthesis?
Stop and start codon signals are necessary for protein synthesis because they help to mark the beginning and end of a protein-coding sequence on mRNA. The start codon signals the beginning of translation, where the ribosome starts assembling the protein, while the stop codon signals the end of translation, indicating where the ribosome should stop and release the completed protein. These signals ensure that the correct protein is synthesized and that it is the right length.
What code tells a cell to stop making a protein?
The code for a cell to stop making a protein is a stop codon in the mRNA sequence. Proteins are synthesized by the ribosome until it encounters a stop codon (e.g., UAA, UAG, UGA), which signals the end of translation, leading to the release of the protein and dissociation of the ribosome from the mRNA.
Which process stops when a ribosome reaches a stop codon?
When a ribsome reaches a stop codon, the translation process stops and a protein is released.
What does the stop codon do in the process of protein synthesis?
The stop codon signals the end of protein synthesis by instructing the ribosome to stop adding amino acids to the growing protein chain.
What happens at the end of translation?
the amino acids detach from the ribosome
What is the function of a stop condon?
A stop codon, such as UAA, UAG, or UGA, signals the termination of protein synthesis during translation. When a ribosome reaches a stop codon, it recognizes the signal and releases the completed protein from the ribosome.
What terminates a growing protein chain?
A stop codon on the mRNA sequence signals the termination of protein synthesis, causing the release of the completed protein from the ribosome.
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.
Why do you think stop and start codon signals are necessary for protein synthesis?
Stop and start codon signals are necessary for protein synthesis because they help to mark the beginning and end of a protein-coding sequence on mRNA. The start codon signals the beginning of translation, where the ribosome starts assembling the protein, while the stop codon signals the end of translation, indicating where the ribosome should stop and release the completed protein. These signals ensure that the correct protein is synthesized and that it is the right length.
How is rna involved in making a protein?
The type of RNA that contains the information for making a protein is messenger RNA (mRNA). During Translation mRNA interacts with ribosome, which "reads" the sequence of mRNA bases producing amino acids. Transfer RNA (tRNA) assembles the protein, one amino acid at a time. Protein assembly continues until the ribosome encounters a "stop" codon
What ends translation in DNA?
a stop codon or anti-codon (same thing)
What would happen if during translation of a protein the mRNA codon UAA sequence was presented?
If the mRNA codon UAA is encountered during translation, it serves as a stop codon, signaling the ribosome to stop protein synthesis and release the completed protein. This results in the premature termination of translation, leading to a shorter and incomplete protein being produced.
How does the process of translation convert RNA into protein?
During translation, the ribosome reads the messenger RNA (mRNA) and uses transfer RNA (tRNA) molecules to bring specific amino acids to the ribosome. The ribosome then links these amino acids together in the correct order to form a protein according to the instructions encoded in the mRNA. This process continues until the ribosome reaches a stop codon, at which point the protein is released.
