Homework Answers
Answer - Option C is correct
Homologous recombination is a process that requires a similar DNA to the recipient genome. This leads to the process of horizontal gene transfer as the transfer only occur between the similar bacteria.
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Question 39 0.35 pts Homologous recombination is an important mechanism in which organisms use a...
Question 12 Which of the following is NOT necessary for homologous recombination to occur? O nucleases...
Question 12 Which of the following is NOT necessary for homologous recombination to occur? O nucleases O ligase O 3 DNA strand overhangs 5' DNA strand overhangs O a long stretch of sequence similarity
z Instructions Question 1 (Q039) In addition to the repair of DNA double-strand breaks, homologous recombination...
z Instructions Question 1 (Q039) In addition to the repair of DNA double-strand breaks, homologous recombination is a mechanism fe generating genetic diversity by swapping segments of parental chromosomes. During which process does swapping occur? DNA replication ODNA repair O meiosis transposition No new data to save. Last checked at 8:05am
Which of the following is NOT a function of homologous recombination? Repair of DNA double strand...
Which of the following is NOT a function of homologous recombination? Repair of DNA double strand breaks Repairing bulky DNA damage Pairing of homologous chromosomes in meiosis Rescue of collapsed replication forks
1. Homologous recombination can happen between non-identical DNA sequences. T/F? 2. Homologous recombination can happen in_______...
1. Homologous recombination can happen between non-identical DNA sequences. T/F? 2. Homologous recombination can happen in_______ a) meiosis b) mitosis c) both 3. Homologous recombination in meiosis has the main purpose of_____ a) DNA repair b) Creating new chromosomes c) Sealing double-stranded breaks 4. Strand invasion usually happens without enzymatic assistance. T/F? 5. When replication fork runs into a nick, it results in a_______ a) single-stranded break b) double-stranded break 6. The invading end is usually a _______ a) 3'...
Mismatch repair requires all of the following EXCEPT: Requires information from a nearby homologous chromosome Uses...
Mismatch repair requires all of the following EXCEPT: Requires information from a nearby homologous chromosome Uses information on the parental strand to identify the error. Is tightly associated with new replicated DNA Makes use of ligase. Requires the use of a repair DNA polymerase. Question 12 Which of the following is NOT necessary for homologous recombination to occur? O nucleases 5' DNA strand overhangs 3' DNA strand overhangs ligase a long stretch of sequence similarity Which of the following apply...
Question 1 4 pts Which characteristic listed below is not shared between homologous recombination in Holiday...
Question 1 4 pts Which characteristic listed below is not shared between homologous recombination in Holiday model and doubled-strand (DS) DNA repair mechanism. ODS break locates on the same chromosome. Branch migration Strand invasion or exchange. Presence of sister chromatids.
Which of the following statements is FALSE about double-strand breaks (DSBs)? A. Non-homologous end-joining between the...
Which of the following statements is FALSE about double-strand breaks (DSBs)? A. Non-homologous end-joining between the ends of two DSBs can create inversions or translocations. B. Spo11-mediated DSBs initiate meiotic recombination. C. Unrepaired DSBs are lethal to a cell. D. Unrepaired DSBs trigger a checkpoint that arrests cells in G2. E. Cas9 can be targeted to make a DSB at a specific genomic sequence by annealing a small piece of single-stranded DNA that is complementary to the cut site.
Question 33 2 pts Which of the following statements about the process of DNA replication is...
Question 33 2 pts Which of the following statements about the process of DNA replication is true? It involves the enzyme DNA ligase, which corrects point mutations. It utilizes DNA polymerase, which catalyzes the reaction that adds a new nucleotide to the growing strand. The sequence on the new strand is always identical to one of the old parent strands. Adenine pairs with guanine, and cytosine pairs with thymine. Question 34 2 pts The DNA base...
Now. you should be able to answer the following questions: • How the amplification will be...
Now. you should be able to answer the following questions: • How the amplification will be done? - How you will determine your target sequence? How the amplification will be specific for certain segment? What are the requirements to carry PCR? • Suppose you perform a PCR that begins with one double-strand of the following DNA template: +5'-CTACCTGCGGGTTGACTGCTACCTTCCCGGGATGCCCAAAATTCTCGAG-3+ +3'-GATGGACGCCCAACTGACGATGGAAGGGCCCTACGGGTTTTAAGAGCTC-5'+ A. Draw one cycle of PCR reaction below the following diagram. B. Label the template DNA, the primers, and what is...
4. The CRISPR-Cas9 system is an important new technique in molecular biology. What is the natural...
4. The CRISPR-Cas9 system is an important new technique in
molecular biology. What is the natural function of this system?
Describe how you would use this system to generate a null mutation
in another organism (i.e. explain Figure 6-43). How does it work?
What is the modification of the method that allows for correction
of a mutation (e.g. the mouse crystalline gene)? And lastly, what
are the problems with the CRISPR system?
FIGURE 6-43 Single-nucleotide mutations
can be introduced into...
Question 12 Which of the following is NOT necessary for homologous recombination to occur? O nucleases O ligase O 3 DNA strand overhangs 5' DNA strand overhangs O a long stretch of sequence similarity
z Instructions Question 1 (Q039) In addition to the repair of DNA double-strand breaks, homologous recombination is a mechanism fe generating genetic diversity by swapping segments of parental chromosomes. During which process does swapping occur? DNA replication ODNA repair O meiosis transposition No new data to save. Last checked at 8:05am
Mismatch repair requires all of the following EXCEPT: Requires information from a nearby homologous chromosome Uses information on the parental strand to identify the error. Is tightly associated with new replicated DNA Makes use of ligase. Requires the use of a repair DNA polymerase. Question 12 Which of the following is NOT necessary for homologous recombination to occur? O nucleases 5' DNA strand overhangs 3' DNA strand overhangs ligase a long stretch of sequence similarity Which of the following apply...
Question 1 4 pts Which characteristic listed below is not shared between homologous recombination in Holiday model and doubled-strand (DS) DNA repair mechanism. ODS break locates on the same chromosome. Branch migration Strand invasion or exchange. Presence of sister chromatids.
Now. you should be able to answer the following questions: • How the amplification will be done? - How you will determine your target sequence? How the amplification will be specific for certain segment? What are the requirements to carry PCR? • Suppose you perform a PCR that begins with one double-strand of the following DNA template: +5'-CTACCTGCGGGTTGACTGCTACCTTCCCGGGATGCCCAAAATTCTCGAG-3+ +3'-GATGGACGCCCAACTGACGATGGAAGGGCCCTACGGGTTTTAAGAGCTC-5'+ A. Draw one cycle of PCR reaction below the following diagram. B. Label the template DNA, the primers, and what is...
4. The CRISPR-Cas9 system is an important new technique in
molecular biology. What is the natural function of this system?
Describe how you would use this system to generate a null mutation
in another organism (i.e. explain Figure 6-43). How does it work?
What is the modification of the method that allows for correction
of a mutation (e.g. the mouse crystalline gene)? And lastly, what
are the problems with the CRISPR system?
FIGURE 6-43 Single-nucleotide mutations
can be introduced into...
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