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Which of the following are directly responsible for ensuring that cells do not …

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Wize University Biology Textbook > DNA Replication & Repair

Repair of DNA Mutations

3 Activities

Wize University Biology Textbook > DNA Replication & Repair

Repair of Double Stranded DNA Breaks

2 Activities

Wize University Biology Textbook > DNA Replication & Repair

Types of DNA Mutations

8 Activities

Which of the following are directly responsible for ensuring that cells do not replicate in the event of DNA damage?
More Repair of DNA Mutations Questions:
Practice: DNA Repair
Which of the following types of DNA repair can cause mutation?
Excision repair
Homology-directed repair
Practice: Thymine Dimers
Which of the following are ways that eukaryotes fix thymine dimers?
DNA repair
Which of the following are steps in repairing mismatched DNA basepairs.
DNA repair Multiple Choice Question
During replication, which of the following enzymes' main function is to excise incorrect/ mismatched bases?
DNA repair
Which of the following are steps in repairing mismatched DNA basepairs.
Which of the following is consistent with the observation that cancers have an important epigenetic component?
Some tumor supressor proteins are involved in DNA repair
Some carcinogens are not mutagens
Practice: DNA Repair
Which of the following types of DNA repair can cause mutation?
Practice: Thymine Dimers
Which of the following are ways that eukaryotes fix thymine dimers?
In what situation would a long strand of repetitive DNA cause a deletion mutation?
Which of the following mechanisms of DNA repair does not include extending the 3' end of the DNA backbone?
Which of the follow reasons best describes the high fidelity of DNA replication?
Which of the follow reasons best describes the high fidelity of DNA replication?
Match the following enzymes with their function.
Practice: DNA Repair
What is the primary method by which DNA polymerase fixes errors while it is actively replicating the DNA?
DNA repair Multiple Choice Question
During replication, which of the following enzymes' main function is to excise incorrect/ mismatched bases?
DNA Damage
What type of DNA damage is caused by UV light?
DNA repair
Which of the following are steps in repairing mismatched DNA basepairs.
More Repair of Double Stranded DNA Breaks Questions:
Practice: DNA Repair
Which of the following types of DNA repair can cause mutation?
Excision repair
Homology-directed repair
Practice: Thymine Dimers
Which of the following are ways that eukaryotes fix thymine dimers?
DNA repair
Which of the following are steps in repairing mismatched DNA basepairs.
Non-homologous end joining...
Homologous Recombination
How many different potential products are possible when a double stranded break is repaired by homologous recombination?
DNA repair
Which of the following are steps in repairing mismatched DNA basepairs.
Which of the following is consistent with the observation that cancers have an important epigenetic component?
Some tumor supressor proteins are involved in DNA repair
Some carcinogens are not mutagens
Practice: DNA Repair
Which of the following types of DNA repair can cause mutation?
Practice: Thymine Dimers
Which of the following are ways that eukaryotes fix thymine dimers?
In what situation would a long strand of repetitive DNA cause a deletion mutation?
Which of the following mechanisms of DNA repair does not include extending the 3' end of the DNA backbone?
Which of the follow reasons best describes the high fidelity of DNA replication?
DNA Replication Question
Which of the following statements is false regarding Holliday structures?
Non-homologous end joining...
Homologous Recombination
How many different potential products are possible when a double stranded break is repaired by homologous recombination?
DNA repair
Which of the following are steps in repairing mismatched DNA basepairs.
More Types of DNA Mutations Questions:
The bong mutant of a yeast species Saccharomyces causes them to be restricted to generating ATP through glycolysis alone. Which of the follow statements could be a possible role of this mutation?
Practice: Protein Structure
A missense mutation arises in the amino acid sequence in which the residue R is substituted for A. Which of the following is most likely true?
Which of the following mutations would not affect translation?
Mutation
You are studying the genetic codes of three phenotypically identical E. coli bacteria: HB99, HB100 and HB101. While studying their DNA sequences, you note that a point mutation has in a the same gene in each of the E. coli strains. The gene encodes for an enzyme required to methylate lysine 27 on Histone 3: H3K27.
HB99 sequence: ATGCGTCACGTCGA
HB100 sequence: ATGCGTTACGTCGA
Mutation
You are studying the genetic codes of three phenotypically identical E. coli bacteria: HB99, HB100 and HB101. While studying their DNA sequences, you note that a point mutation has occurred in the same gene in each of the E. coli strains. The gene encodes for an enzyme required to methylate lysine 27 on Histone 3: H3K27.
HB99 sequence: ATGCGTCACGTCGA
HB100 sequence: ATGCGTTACGTCGA
Which of the following mutations would not affect translation?
MCAT Practice Question
The bong mutant of a yeast species Saccharomyces causes them to be restricted to generating ATP through glycolysis alone. Which of the follow statements could be a possible role of this mutation?
A missense mutation arises in the amino acid sequence in which the residue R is substituted for A. Which of the following is most likely true?
Practice: Protein Structure
A missense mutation arises in the amino acid sequence in which the residue R is substituted for A. Which of the following is most likely true?
MCAT Practice Question
The bong mutant of a yeast species Saccharomyces causes them to be restricted to generating ATP through glycolysis alone. Which of the follow statements could be a possible role of this mutation?
A human cell has received a mutation and is unable to produce actin. What would be the result after mitosis?
A cell has a mutation that results in higher expression of the gene encoding p21. What would happen to the cell?
Retinoblastoma is a type of eye cancer caused by:
A. a mutation in the Rb transcriptional factor that its inhibited binding to DNA
B. a mutation in p53 that prevents it from recognition damaged DNA
Which of the following is most likely to occur due to a mutation in p21?
Mutation that leads to the substitution of one amino acid for another are called?
Which of the following is consistent with the observation that cancers have an important epigenetic component?
Some tumor supressor proteins are involved in DNA repair
Some carcinogens are not mutagens
A nonsense mutation in the drosophila bicoid gene would result in which of the following?
After two rounds of DNA replication an SNP has been introduced into a genes open reading frame but the protein product is the exact same as the gene product from the sequence without the SNP. What type of mutation is this?
If a single base pair was inserted into DNA coding for the second exon of a eukaryotic mRNA transcript with three exons and two introns, which of the following statements is most likely true about the resulting protein?
Imagine you are studying an E. coli gene that codes for a specific enzyme. You have isolated a mutant for this enzyme, where E. coli produces a shorter than normal form of the polypeptide, and thus the enzyme is not functional. What type of mutation most likely led to this mutant?
Which of the following describes a nonsense mutation?
You discover through your genetic counsellor that you have an alteration in an mitochondrial transit sequence. Which of the following characteristics of your nuclear genome would have been altered?
The bong mutant of a yeast species Saccharomyces causes them to be restricted to generating ATP through glycolysis alone. Which of the follow statements could be a possible role of this mutation?
Which of the following could affect all of the primary, secondary, and tertiary structure
of a protein?
Practice: Protein Structure
A missense mutation arises in the amino acid sequence in which the residue R is substituted for A. Which of the following is most likely true?
Which of the following mutations would not affect translation?
Mutation
You are studying the genetic codes of three phenotypically identical E. coli bacteria: HB99, HB100 and HB101. While studying their DNA sequences, you note that a point mutation has in a the same gene in each of the E. coli strains. The gene encodes for an enzyme required to methylate lysine 27 on Histone 3: H3K27.
HB99 sequence: ATGCGTCACGTCGA
HB100 sequence: ATGCGTTACGTCGA
Which DNA mutation(s) involve changes to a single basepair?