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How many amino acids are affected from point mutation?
A point mutation typically affects one amino acid in a protein sequence. This mutation involves the substitution of a single nucleotide base, which can lead to a change in the codon and ultimately result in the modification of one amino acid in the protein's primary structure.
What is a non polar mutation?
A non-polar mutation is a mutation that does not change the overall charge of the protein due to the replacement of one non-polar amino acid with another non-polar amino acid in the protein sequence. This type of mutation typically has less impact on protein structure and function compared to polar or charged mutations.
Will a frameshift mutation always result ina a change in the final protein and why?
Yes, a frameshift mutation will almost always result in a change in the final protein because it disrupts the reading frame of the genetic code, leading to a shift in the sequence of amino acids that are incorporated into the protein. This can have significant effects on the structure and function of the protein.
What is a mutation called that has no effect on an organism?
A point mutation, in which one nitrogen base in a codon is substituted for another, may have no effect on an organism. This is true if the base substitution does not change the amino acid that the codon represents, or if the mutation occurs in a non-critical location in the protein so that the protein's structure is not changed significantly and the protein is still able to function.
What happens if only one amino acid is coded incorrectly?
If only one amino acid is coded incorrectly in a protein sequence, it may result in a missense mutation. This could potentially lead to a change in the structure and function of the protein. The impact of the mutation would depend on the specific amino acid involved and its location within the protein.
Whats a change in gene or chromosome?
A change in a gene could involve a mutation that alters the DNA sequence, affecting the function of the protein it codes for. A change in a chromosome could involve alterations in the structure, number, or distribution of genetic material, leading to genetic disorders or diseases.
A random change in the base sequence of DNA resulting in the production of a defective protein is called?
A random change in the base sequence of DNA resulting in the production of a defective protein is called a mutation. Mutations can lead to changes in the amino acid sequence of a protein, affecting its structure and function.
What occurs when a single nucleotide is replaced by another nucleotide and it can change one of the amino acids for which the gene codes?
This type of mutation is called a missense mutation. It can lead to a change in the protein or enzyme's structure and function, possibly affecting its biological activity. The impact of the mutation can vary depending on the specific amino acid substitution and its location within the protein.
1 Do polymorphism and mutation explain the same biological phenomenon?
no polymorphism and mutation are different.polymorphism represents overall change in an organism whereas mutation may or may not bring overall change.
When when a mutation results in no significant change in the production of a of a functional protein?
When a mutation does not change the result of a normal production of a protein is called harmless. This is because it does no harm to the individual.
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.
How can a point mutation alter the final structure of a protein?
A point mutation can alter the final structure of a protein by changing a single nucleotide in the DNA sequence, leading to a different amino acid being incorporated into the protein sequence during translation. This change can disrupt the folding of the protein, affect its stability, alter its function, or impact its interaction with other molecules. Ultimately, these changes can result in a protein with different structural and functional properties than the original protein.
