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Suppose part of an amino acid sequence of a protein changed from tyrosine proline glycine alanine to tyrosine histidine glycine alanine this change was most likely caused by a point mutation called?
This change was most likely caused by a point mutation called a missense mutation. Missense mutations involve the substitution of a single nucleotide in the DNA sequence, leading to a change in one amino acid in the protein sequence. In this case, the substitution of a single nucleotide led to the change from tyrosine to histidine in the protein sequence.
Because of specific base pairing if one side of the DNA molecule had the nucleotide sequence adenine-guanine-adenine-cytosine-thymine the other side would be?
thymine, cytosine, thymine, guanine, adenine *HINT* "A" goes with "T" always and "C" goes with "G" always
What is the coding region in DNA transcription?
The coding region in DNA transcription is called the gene. It contains the specific sequence of nucleotides that encode for a protein or functional RNA molecule. During transcription, this coding region is transcribed into a complementary RNA sequence by RNA polymerase.
If a mutation occurred during the formation of a protein that substituted an amino acid with a reactive R group for one that had a nonreactive R group how might this affect the reactivity?
A mutation is a change in DNA, so when u change the DNA this affects the sequence of the amino acid in the primary structure. this later changes the folding of the r groups because u don't have the right unique sequence of amino acid that was encoded by the DNA
How many amino acids are affected from point mutation?
A point mutation can affect the protein in a different ways. If the point change causes a silent mutation then it doesnt affect at all. When the point nucleotide change make a different amino acid, then it may alters the function of protein. If it make to forma a stop codon (TAA, TAG, TGA) then the protein synthesis stops at the point where it is changed.
During DNA replication an extra cytosine base is added to the DNA What type of Mutation is this-?
Frameshift mutation
What is GAT CCG after transcription?
After transcription, GAT CCG would be transcribed into its complementary RNA sequence, which is CUA GGC. The process involves converting DNA into RNA by replacing adenine with uracil, thymine with adenine, cytosine with guanine, and guanine with cytosine.
How might biologist determine whether a mutation has occurred and if so what type of mutation is it?
The comparison between the DNA sequence of normal DNA to the mutated DNA will be made. The type of mutation will be revealed during the base sequence.
The DNA sequence of a gene changed from AACTTG to AACATG. What kind of mutation occurred.?
The DNA sequence of gene that change AACTTG to AACATG are called missense mutation. This is known as a process.
If the dNA sequence Tgagccatga is change to tgagcacatga what kind of mutation has occurred?
The sequence TGA-GCC-ATG-A is changed in 2 places to become TGA-GCA-CAT-GA.When one base is changed, it is called a point mutation.In this case, a GCC in the DNA has been changed to a GCA. This would mean the mRNA codon (coded for by this DNA) would change from CGG to CGU.Both of these codons code for the same amino acid - Arginine. Therefore this type of point mutation is known as a silent mutation.The extra C that appears would be called an addition mutation, which is a type of frameshift mutation.
During DNA replication an extra cytosine base is added to the DNA what type of mutation is this?
A frameshift mutation
What is one example of a substitution mutation?
One common example of a substitution mutation is a point mutation where one nucleotide base is replaced by another. This can lead to changes in the amino acid sequence of a protein during translation. An example would be a mutation where a Cytosine (C) is substituted for a Thymine (T) in the DNA sequence.
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 is the complementary messenger-rna sequence for the DNA CAAGGT?
The complementary messenger RNA (mRNA) sequence for the DNA sequence CAAGGT is GUUCCA. In transcription, adenine (A) pairs with uracil (U) in RNA, thymine (T) pairs with adenine (A), cytosine (C) pairs with guanine (G), and guanine (G) pairs with cytosine (C). Therefore, the DNA sequence CAAGGT is transcribed to mRNA as GUUCCA.
What type of mutation has occurred in figure 11-4?
In figure 11-4, a frameshift mutation has occurred. This type of mutation involves the insertion or deletion of nucleotides that shifts the reading frame of the genetic code, leading to changes in the amino acid sequence of the resulting protein.
What is an altered DNA sequence in a gene resulting in a misspelled m-Rna?
An altered DNA sequence in a gene could lead to a misspelled mRNA during transcription due to a point mutation, insertion or deletion of nucleotides. This can result in a different amino acid being incorporated into the protein, leading to potential changes in its structure or function.
A nucleid acid changes from ATTCGG to ATCGG WHAT OCCURED?
A substitution mutation occurred in the nucleic acid sequence, where the base pair T was replaced with C at the second position. This type of mutation is known as a point mutation, specifically a transition. It resulted in a change from ATTCGG to ATCGG in the sequence.
