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The type of mutation that stops the translation of a protein is a nonsense mutation. This occurs when a base substitution (point mutation) results in a STOP codon and thus stops translation of the sequence into a protein.
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Which of the following types of mutation resulting in an error in the mRNA just after the AUG start of translation is likely to have the most serious effect on the polypeptide product?
a deletion of 2 nucleotides
If a nucleotide is added or removed from a DNA molecule and mrna is created the codons after the mutation will not be read correctly this is a?
Mutation
The process of synthesizing proteins based on an mRNA template is called?
transformation
Decoding of an mRNA message into a polypeptide chain and protein is call?
It is called Translation. The mRNA gets decoded into a polypeptide chain.
What can occur as a result of a change in the sequence of nucleotides in a strand of DNA?
The addition or deletion of a nucleotide can lead to a Frameshift mutation. The Frameshift mutation causes a "shift" in the reading frame of the codons in the mRNA. This may lead to the change in the amino acid sequence at protein translation.
How can mutation affect the mRNA?
Mutations not only change the DNA, but a change to the DNA will change the mRNA. This explains why a mutation in one generation can be passed on to the next generation.
Which of the following types of mutation resulting in an error in the mRNA just after the AUG start of translation is likely to have the most serious effect on the polypeptide product?
a deletion of 2 nucleotides
What is the process in which ribosomes synthesize proteins using the mRNA transcript?
Translation of mRNA into a protein occurs in the ribosomes.
If a nucleotide is added or removed from a DNA molecule and mrna is created the codons after the mutation will not be read correctly this is a?
Mutation
The process of synthesizing proteins based on an mRNA template is called?
transformation
Decoding of an mRNA message into a polypeptide chain and protein is call?
It is called Translation. The mRNA gets decoded into a polypeptide chain.
What can occur as a result of a change in the sequence of nucleotides in a strand of DNA?
The addition or deletion of a nucleotide can lead to a Frameshift mutation. The Frameshift mutation causes a "shift" in the reading frame of the codons in the mRNA. This may lead to the change in the amino acid sequence at protein translation.
What is it called when making a protein is made using mRNA?
The production of proteins is called protein synthesis. This is further divided into transcription, which creates mRNA from template DNA, and translation, which uses the code of mRNA to make polypeptides.
Does translation involve the formation of mRNA?
No, transcription involves the formation of mRNA.
Mrna is synthesized in translation or transcription?
Transcription
What halts translation?
The termination codon on the mRNA strand stops translation by signaling the ribosome to release the polypeptide chain. This termination codon does not code for any amino acid and instead signals the end of protein synthesis.
Which do you suppose would be more harmful A mutation that changed the nucleotide sequence of an mRNA molecule or a mutation that changed the nucleotide sequence of a DNA molecule?
A mutation in a DNA nucleotide sequence would be more harmful than a mutation in a mRNA nucleotide sequence because it could cause the synthesis of multiple nonfunctional proteins in comparison to a mutation in a mRNA nucleotide sequence that would be less harmful because it would result in a few nonfunctional proteins.
