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The whole code changes

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Q: What happens when a protein sequence changes?
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How can a mutation in a DNA base sequence cause a change in protein?

dna in a cell needs protein and chromosomes.


Why can some gene mutatuions be harmful while others have no effect?

Let's consider a simple example: protein-coding genes. Mutations, or changes in the DNA sequence of the gene, can alter the amino acid sequence of the protein it codes for, if the new sequence translates into different amino acids. Because the genetic code is degenerate, some amino acids are specified by multiple codons, so some mutations may not alter the amino acid sequence at all. Such mutations, called synonymousmutations, have no affect on the protein. Mutations that alter the amino-acid sequence of the protein, called non-synonymousmutations, may or may not have an affect. Most proteins can tolerate some changes to that sequence and not be significantly affected, but if the sequence change is large enough, or occurs at a critical point so that the structure of the protein is significantly altered, then the protein may become non-functional. If that protein is essential to an organism, such a mutation may be lethal.


What is the level of protein structure is the amino acid sequence of the protein?

Quaternary tertiary secondary primary is the sequence.


What is a sequence in DNA that codes for a protein and thus determines a trait?

A gene is a DNA sequence that codes for a protein.


what is the genetic code stored in DNA is used to produce protein products?

The genetic code stored in DNA is the sequence of nitrogen bases. The sequence of nitrogen bases determines the sequence of amino acids in a protein, and the sequence of amino acids determines the structure and function of a protein.

Related questions

What is the sequence of protein?

well stuff happens. Ha


Most genetic disorders results from a mutation that changes the amino acid sequence in a?

Protein


How does the sequence of DNA affect the function of a protein?

The sequence of nucleotides in DNA molecule is equivalent and is closely related to an amino acid sequence in the protein molecule. If for any reason the sequence of DNA nucleotides changes it will be reflected in amino acid sequence in the protein. Moreover, the correct sequence of amino acid in the protein will form the correct three-dimensional structure, or tertiary structure, that will confer the biological activity to protein. If a wrong amino acid is translated from a mutated gene in the DNA could change the spatial structure of the protein and therefore modify or erase its biological function.


Which statement best explains why some changes in DNA sequence do not change the corresponding protein?

The genetic code is redundant


What impact could a point mutation do?

A point mutation could have no impact or it could be lethal. It depends on whether the mutation changes the amino acid sequence of a protein, or if it changes the amino acid at a critical location in the protein.


How can a mutation in a DNA base sequence cause a change in protein?

dna in a cell needs protein and chromosomes.


Why can some gene mutatuions be harmful while others have no effect?

Let's consider a simple example: protein-coding genes. Mutations, or changes in the DNA sequence of the gene, can alter the amino acid sequence of the protein it codes for, if the new sequence translates into different amino acids. Because the genetic code is degenerate, some amino acids are specified by multiple codons, so some mutations may not alter the amino acid sequence at all. Such mutations, called synonymousmutations, have no affect on the protein. Mutations that alter the amino-acid sequence of the protein, called non-synonymousmutations, may or may not have an affect. Most proteins can tolerate some changes to that sequence and not be significantly affected, but if the sequence change is large enough, or occurs at a critical point so that the structure of the protein is significantly altered, then the protein may become non-functional. If that protein is essential to an organism, such a mutation may be lethal.


Which structure determines the sequence of the building blocks in a protein?

DNA determines the sequence of the amino acids (building blocks) in a protein. The sequence of nitrogen bases in the DNA determines the sequence of amino acids in a protein.


What happens when there are changes in a gene?

The protein that the gene codes for changes or may even cease to be produced, depending on the change to the gene.


What sequence best represents the relationship between DNA and the traits of an organism?

DNA base sequence amino acid sequence protein shape protein function trait


Where are gene sequence for protein in a prion?

there is no "protein in a prion", because prion is nothing but a protein. The gene sequence of this protein is just normal, with nothing special.


What determines the amino acid sequence in a protein?

The sequence of amino acids in a protein is determined by the sequence of nucleotides in the mRNA, and this is determined by the sequence of nucleotide bases in the DNA.