8. If another mutation occurred somewhere on the neuraminidasegene that caused a change from a UAC...
8. If another mutation occurred somewhere on the neuraminidasegene that caused a change from a UAC codon to a UAA codon (see Chart), the mutation within the gene would be correctly expressedas… {Shown below as normal bases à mutation.}
a) AUG à ATT
b) AUG à AUU
c) ATG à ATT
d) ATG à TTA
e) ATG à AUU
Homework Answers
Add Answer to:
8.
If another mutation occurred somewhere on the
neuraminidasegene
that caused a change from a
UAC...
A single mutation has occurred in the following DNA sequence. 5' ATG AAA TTA CCA 3'...
A single mutation has occurred in the following DNA sequence. 5' ATG AAA TTA CCA 3' wild-type (normal) sequence 5' ATG AAG TTA CCA 3' mutant sequence (a) Identify and classify the mutation according to its molecular structure (i.e., insertion, deletion base substitution (transversion), or base substitution (transition)). Briefly explain why you selected this classification (1.75 marks) (b) Identify and classify the mutation according to its functional effects (i.e., frameshift, missense, nonsense, or silent). Briefly explain why you selected this...
A mutation is a permanent change in the sequence of nucleotide bases in a cell's DNA....
A mutation is a permanent change in the sequence of nucleotide bases in a cell's DNA. Most mutations happen during DNA replication, but their effects are not seen until transcription and translation. Even a small mutation that changes a single nucleotide can have a major impact on the resulting proteins that are made in the cell. с The table following the amino acid chart lists a segment of a normal gene. Type in the corresponding mRNA strand and the amino...
The strain of XDR-TB that the young man had above was studied further by analyzing the...
The strain of XDR-TB that the young man had above was studied further by analyzing the DNA of the Mycobacterium tuberculosis. The investigators particularly looked at the gene for the protein targeted by the antibiotic rifampin. MDR-TB and XDR-TB are resistant to rifampin. Q1. What is the protein target for rifampin in the bacterial cells? What biological process does the antibiotic stop? (see notes). The following results were obtained from the young man's M. tuberculosis for the DNA sequence of...
A cell that is heterozygous for a nonsense mutation in a tumor suppressor gene would most...
A cell that is heterozygous for a nonsense mutation in a tumor suppressor gene would most likely: A) Group of answer choices B) grow but not divide C) have a normal cell cycle D) arrest and induce apoptosis E) have a slightly increased cell cycle and increased cell growth F) grow and divide uncontrollably Which of the following correctly describes an event that occurs during transcription: Group of answer choices A) A DNA molecule is chemically modified to become a...
18 please 18a. The DNA is mutated on the 4th nucleotide (see bases in box) to...
18 please
18a. The DNA is mutated on the 4th nucleotide (see bases in box) to the follo DNA :3TAC GCT GAG AGA GAC ACTS sº ATG CGA CTC TCT CTG TGA 3» 18b. (2pts) Does this mutation change the amino acid sequence? If yes - what is 18c. (2pts) Can this mutation change the way the protein functions? 18d. (2pts) How can a DNA mutation change protein function? Explain your answer in terms of gene expression. 15. Answer the...
Page 2 of 8 12. What type of mutationales the base, but not the amino acid...
Page 2 of 8 12. What type of mutationales the base, but not the amino acid being coded for? mutations? point nonsense 12. framstiftis caused by m ense and insertion misense and nonsense Dansene and deletion 2 doletion and insertion insertion and nonsense 14. A mutation that changes a normal codon to a stop codon is called a #paint mutation silent mutation & back mutation 2 misserse mutation & nonsense mutation 15. Repreble operons require that_ bind to the repressor...
24. Now consider that same sequence as above except that the base marked with an asterisk (") is changed from a G to an A (see below), How does that change alter the outcome -CAUCGCUCAUGAACGCA...
24. Now consider that same sequence as above except that the base marked with an asterisk (") is changed from a G to an A (see below), How does that change alter the outcome -CAUCGCUCAUGAACGCAG UUAGUCAGUAGUCCUGGACC- 3 a) That change does not alter the translation product. That change alters the translation product. That is an example of a missense mutation b) The change alters one of the translation products, This is an example of a missense mutation d) c) That...
1. You are a scientist studying a rare heritable disease, Pitt-Hopkins syndrome. This disease is caused...
1. You are a scientist studying a rare heritable disease, Pitt-Hopkins syndrome. This disease is caused by mutations in the basic helix-loop-helix transcription factor, TCF4. You sequence the TCF4 gene in your patients and identify several sequence variants. a) The TCF4 coding region and sites of mutations for several patients are shown here (lines between codons indicate the open reading frame). For each patient, identify the impact of the mutation on the coding sequence (1 mark each) and the likely...
genetic biology 5'-GCATGAGTCTGGTACGCTTTTAAAGC-3' 3-CATGCG-5' IIIII 3. (a) in the sequence above, what enzyme would you need...
genetic biology
5'-GCATGAGTCTGGTACGCTTTTAAAGC-3' 3-CATGCG-5' IIIII 3. (a) in the sequence above, what enzyme would you need to extend the short stretch of nucleotides shown on the bottom strand? (b) Write the sequence of the newly synthesized fragment and label its S' and 3' end. (c) The covalent bond between these adjacent nucleotides is what type of chemical bond? After using a chemical mutagen to generate mutations in a DNA sequence, scientists noted a mutation from C to T at the...
can you answer those 3 questions Ipuints Save an You have developed a potential new antidepressant...
can you answer those 3 questions
Ipuints Save an You have developed a potential new antidepressant drug called Euphoria. The structure is novel and is tested using the Ames test for mutagenicity. The following results are obtained: Sample Number of his+ revertant colonies distilled water distilled water + rat liver enzymes antidepressant antidepressant + rat liver enzymes What conclusion is most consistent with these data? the drug and its conversion products are not mutagenic. rat liver enzymes are mutagenic. the...
A single mutation has occurred in the following DNA sequence. 5' ATG AAA TTA CCA 3' wild-type (normal) sequence 5' ATG AAG TTA CCA 3' mutant sequence (a) Identify and classify the mutation according to its molecular structure (i.e., insertion, deletion base substitution (transversion), or base substitution (transition)). Briefly explain why you selected this classification (1.75 marks) (b) Identify and classify the mutation according to its functional effects (i.e., frameshift, missense, nonsense, or silent). Briefly explain why you selected this...
A mutation is a permanent change in the sequence of nucleotide bases in a cell's DNA. Most mutations happen during DNA replication, but their effects are not seen until transcription and translation. Even a small mutation that changes a single nucleotide can have a major impact on the resulting proteins that are made in the cell. с The table following the amino acid chart lists a segment of a normal gene. Type in the corresponding mRNA strand and the amino...
The strain of XDR-TB that the young man had above was studied further by analyzing the DNA of the Mycobacterium tuberculosis. The investigators particularly looked at the gene for the protein targeted by the antibiotic rifampin. MDR-TB and XDR-TB are resistant to rifampin. Q1. What is the protein target for rifampin in the bacterial cells? What biological process does the antibiotic stop? (see notes). The following results were obtained from the young man's M. tuberculosis for the DNA sequence of...
18 please
18a. The DNA is mutated on the 4th nucleotide (see bases in box) to the follo DNA :3TAC GCT GAG AGA GAC ACTS sº ATG CGA CTC TCT CTG TGA 3» 18b. (2pts) Does this mutation change the amino acid sequence? If yes - what is 18c. (2pts) Can this mutation change the way the protein functions? 18d. (2pts) How can a DNA mutation change protein function? Explain your answer in terms of gene expression. 15. Answer the...
Page 2 of 8 12. What type of mutationales the base, but not the amino acid being coded for? mutations? point nonsense 12. framstiftis caused by m ense and insertion misense and nonsense Dansene and deletion 2 doletion and insertion insertion and nonsense 14. A mutation that changes a normal codon to a stop codon is called a #paint mutation silent mutation & back mutation 2 misserse mutation & nonsense mutation 15. Repreble operons require that_ bind to the repressor...
24. Now consider that same sequence as above except that the base marked with an asterisk (") is changed from a G to an A (see below), How does that change alter the outcome -CAUCGCUCAUGAACGCAG UUAGUCAGUAGUCCUGGACC- 3 a) That change does not alter the translation product. That change alters the translation product. That is an example of a missense mutation b) The change alters one of the translation products, This is an example of a missense mutation d) c) That...
genetic biology
5'-GCATGAGTCTGGTACGCTTTTAAAGC-3' 3-CATGCG-5' IIIII 3. (a) in the sequence above, what enzyme would you need to extend the short stretch of nucleotides shown on the bottom strand? (b) Write the sequence of the newly synthesized fragment and label its S' and 3' end. (c) The covalent bond between these adjacent nucleotides is what type of chemical bond? After using a chemical mutagen to generate mutations in a DNA sequence, scientists noted a mutation from C to T at the...
can you answer those 3 questions
Ipuints Save an You have developed a potential new antidepressant drug called Euphoria. The structure is novel and is tested using the Ames test for mutagenicity. The following results are obtained: Sample Number of his+ revertant colonies distilled water distilled water + rat liver enzymes antidepressant antidepressant + rat liver enzymes What conclusion is most consistent with these data? the drug and its conversion products are not mutagenic. rat liver enzymes are mutagenic. the...
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