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A point mutation can cause protein synthesis to stop prematurely by introducing a premature stop codon in the mRNA sequence. This type of mutation, known as a nonsense mutation, occurs when a single nucleotide change transforms a codon that encodes an amino acid into a stop codon. As a result, the ribosome halts translation before the full-length protein is synthesized, leading to a truncated and often nonfunctional protein. Such mutations can significantly impact cellular functions and lead to various diseases.
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Why does a detetion mutation usually cause more defect during protein synthesis than point mutation?
Mutation usually causes the entire base sequence to defect. This usually happens during the protein synthesis.
How a mutation in DNA many NOT necessarily have a bad affect on the gene's protein product?
The mutation may still code for the same amino acid, or it may cause a change in a non-critical region of the protein.
When a nitrogenous base is inserted or delete how does that affect the amino acid sequence?
The amino acid sequence is shifted, and this kind of mutation is called a frame shift mutation. All of the amino acid sequence after the mutation will be changed, which will cause a change in shape of the protein, which will then probably result in a nonfunctional protein, since the shape of a protein determines its function.
What happens if the amino acid STOP code is at the beginning or middle of a gene?
If this codon is a result of a mutation, the polypeptide will be prematurely terminated. The protein will be either non-functional and the organism will do without it, or the protein will become harmful to the organism.
How many amino acids would this protein have if a mutation occurred and the 7th dna base pair of the dna strand was changed from a-t to t-a?
This mutation would cause a frameshift mutation, shifting the reading frame of the DNA sequence. Most likely, this would lead to a completely different protein being translated, resulting in a protein with a different sequence of amino acids from the original protein. The number of amino acids would depend on the specific changes in the protein sequence caused by the frameshift mutation.
How can a mutation in a base sequence cause a change in a protein?
dna in a cell needs protein and chromosomes.
How can a mutation in a DNA base sequence cause change in a protein?
dna in a cell needs protein and chromosomes.
How can a mutation in a DNA bases sequence cause a change in a protein?
dna in a cell needs protein and chromosomes.
Why does a detetion mutation usually cause more defect during protein synthesis than point mutation?
Mutation usually causes the entire base sequence to defect. This usually happens during the protein synthesis.
Why does an insertion mutation usually cause defects during protein synthesis than a point mutation?
Insertion mutations can affect many amino acids in the protein.An insertion mutation usually causes more defects during protein synthesis than point mutation because an insertion mutation will affect many amino acids in the protein.
How would a protein be changed if a mutation caused a base to be added?
A mutation in which an extra nitrogen base is added is called a frameshift mutation. The rest of the sequence after the mutation will code for different amino acids, which will result in the alteration of the protein. Frameshift mutations cause severe genetic disorders.
How a mutation in DNA many NOT necessarily have a bad affect on the gene's protein product?
The mutation may still code for the same amino acid, or it may cause a change in a non-critical region of the protein.
What will the mutation result in if a point mutation will cause the cell to make an incomplete polypeptide?
An inactive/other active protein as a polypeptide that is incomplete will not fold properly. You could get a deleterious mutation that destroys protein product, such as Huntington's disease, or a paint mutation that, in heterozygous condition, such as sickle cell trait, is beneficial.
When a nitrogenous base is inserted or delete how does that affect the amino acid sequence?
The amino acid sequence is shifted, and this kind of mutation is called a frame shift mutation. All of the amino acid sequence after the mutation will be changed, which will cause a change in shape of the protein, which will then probably result in a nonfunctional protein, since the shape of a protein determines its function.
Why does an insertion mutation usually cause more defects in protein synthesis than a point mutation?
Insertion mutations can affect many amino acids in the protein.An insertion mutation usually causes more defects during protein synthesis than point mutation because an insertion mutation will affect many amino acids in the protein.
Synthesis of a defective protein may result from an alteration in?
the DNA sequence coding for the protein, leading to a mutation. This mutation can cause a change in the amino acid sequence, affecting the protein's structure and function. Defective protein synthesis can also result from errors in the transcription or translation processes.
What happens if the amino acid STOP code is at the beginning or middle of a gene?
If this codon is a result of a mutation, the polypeptide will be prematurely terminated. The protein will be either non-functional and the organism will do without it, or the protein will become harmful to the organism.
