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Which mutation cannot occur in a tRNA encoding gene?
A mutation that changes the start codon of a tRNA gene is unlikely to occur, as that could prevent proper translation of the tRNA. Mutations that disrupt critical structural elements such as the anticodon loop or the acceptor stem are also less likely, as they would affect the tRNA's functionality.
Which type of mutation will probably have a larger effect A point mutation or a frameshift?
Both types of mutation have the potential to cause a large effect.In general, a frameshift mutation is more likely to cause a large effect. This is because it shifts the 'reading frame' - so that all of the subsequent codons (groupings of 3 bases that are read to determine which amino acid will be added) will be changed.A point mutation is when a single base is replaced. This can either result in the same amino acid being added to the protein being synthesised (a silent mutation), a different amino acid being added (a missense mutation) or in a STOP codon (a nonsense mutation).If a point mutation causes a premature STOP codon - this is quite likely to have a large effect on the protein.
When would this mutation have the biggest effect on the health of the rat?
The mutation would have the biggest effect on the health of the rat if it occurs during a critical developmental stage, such as embryonic development, when foundational systems are being established. Additionally, if the mutation affects a vital gene involved in processes like metabolism, growth, or immune response, its impact would be more pronounced. Environmental factors, such as exposure to stressors or toxins, could also exacerbate the effects of the mutation, leading to greater health issues.
Would protein be the same if a new base was inserted into the strand of DNA?
No. At the point of insertion the sequence would be completely changed. This is called a frameshift mutation.
What would the anticodon tRNA strand be?
The anticodon tRNA strand is a sequence of three nucleotides that is complementary to a corresponding codon on mRNA. For example, if the mRNA codon is AUG, the anticodon on the tRNA would be UAC. This complementary pairing ensures that the correct amino acid is added during protein synthesis. Each tRNA molecule carries a specific amino acid that corresponds to its anticodon.
Which mutation cannot occur in a tRNA encoding gene?
A mutation that changes the start codon of a tRNA gene is unlikely to occur, as that could prevent proper translation of the tRNA. Mutations that disrupt critical structural elements such as the anticodon loop or the acceptor stem are also less likely, as they would affect the tRNA's functionality.
What anticodon pairs with the codon gau?
The anticodon that pairs with the codon GAU is CUA. This is based on the rules of complementary base pairing in DNA and RNA.
What would happen if UV exposure caused a point mutation where a single base was changed within your DNA sequence?
It would depend upon type and location of point mutation .
What is the anticodon for cgc?
The matching anticodon for GCA would be CGU.
What is the tRNA anticodon for T-A-C?
The tRNA anticodon for TAC would be AUG. However, tRNA does not transcribe DNA and would not come in contact with the nitrogen base thymine. A better question would be what is the tRNA anticodon for the mRNA codon UAC.
What would the anticodon AAA be complimentary to?
UUU
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.
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.
What is the anticodon for CGA?
A pairs with T so the anticodon would be TTT
Which type of mutation will probably have a larger effect A point mutation or a frameshift?
Both types of mutation have the potential to cause a large effect.In general, a frameshift mutation is more likely to cause a large effect. This is because it shifts the 'reading frame' - so that all of the subsequent codons (groupings of 3 bases that are read to determine which amino acid will be added) will be changed.A point mutation is when a single base is replaced. This can either result in the same amino acid being added to the protein being synthesised (a silent mutation), a different amino acid being added (a missense mutation) or in a STOP codon (a nonsense mutation).If a point mutation causes a premature STOP codon - this is quite likely to have a large effect on the protein.
AAC would bind with what anticodon?
UUGCodon-AnticodonA - UT - AC - GG - C
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.
