Modified MasteringMicrobiology with Pearson eText -- ValuePack Access Card -- for Microbiology with Diseases by Body System
5th Edition
ISBN: 9780134608785
Author: Robert W. Ph.D. Bauman
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 10MC
Which of the following methods of DNA repair involves enzymes that recognize and correct
- a. light repair of T dimers
- b. dark repair of P dimers
- c. mismatch repair
- d. SOS response
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Students have asked these similar questions
Which of the following statements describe reversal of DNA repair mechanism.
A. UV light blocks the translation of mRNA beyond the damaged area
B. Reversal of DNA repair mechanism requires a DNA template
C. UV light is needed to initiate the formation of pyrimidine dimers
D. None of the statement is correct
. Which of the following statements best describe the mismatch repair pathway?a. It is part of the 3′to 5′proofreading function of DNApolymerase.b. It acts after DNA replication by recognizing mismatched base pairs.c. It is activated by stalled replication forks.d. It is coupled to transcription.
Defects in the excision repair process may result in :
A. Mutations
B. Okazaki fragments
C. Excess DNA polymerase activity
D. Shortened telomeres
Chapter 7 Solutions
Modified MasteringMicrobiology with Pearson eText -- ValuePack Access Card -- for Microbiology with Diseases by Body System
Ch. 7 - DNA replication requires a large amount of energy,...Ch. 7 - Vibrio vulnificus Infection Greg enjoyed Floridas...Ch. 7 - Prob. 2TMWCh. 7 - Prob. 3TMWCh. 7 - Why is the genetic ancestry of microbes much more...Ch. 7 - Prob. 1CCSCh. 7 - Which of the following is most likely the number...Ch. 7 - Which of the following is a true statement...Ch. 7 - A plasmid is ___________. a. a molecule of RNA...Ch. 7 - Prob. 4MC
Ch. 7 - Prob. 5MCCh. 7 - Which of the following molecules functions as a...Ch. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - The Ames test ___________. a. uses auxotrophs and...Ch. 7 - Which of the following methods of DNA repair...Ch. 7 - Prob. 11MCCh. 7 - Prob. 12MCCh. 7 - Which of the following statements is true? a....Ch. 7 - Prob. 14MCCh. 7 - Although two cells are totally unrelated, one cell...Ch. 7 - Prob. 16MCCh. 7 - Prob. 17MCCh. 7 - Prob. 18MCCh. 7 - Prob. 19MCCh. 7 - Prob. 20MCCh. 7 - Prob. 21MCCh. 7 - Prob. 22MCCh. 7 - Prob. 23MCCh. 7 - Before mutations can affect a population...Ch. 7 - Prob. 25MCCh. 7 - Fill in the Blanks 1. The three steps in RNA...Ch. 7 - Fill in the Blanks 2. A triplet of mRNA...Ch. 7 - Fill in the Blanks 3. Three effects of point...Ch. 7 - Fill in the Blanks 4. Insertions and deletions in...Ch. 7 - Fill in the Blanks 5. An operon consists of...Ch. 7 - Prob. 6FIBCh. 7 - Prob. 7FIBCh. 7 - Fill in the Blanks 8. A gene for antibiotic...Ch. 7 - Fill in the Blanks 9. ______ are nucleotide...Ch. 7 - Fill in the Blanks 10. ____________ is a...Ch. 7 - Fill in the Blanks 11.________ RNA carries amino...Ch. 7 - Fill in the Blanks 12. ______ RNA and ______ RNA...Ch. 7 - How does the genotype of a bacterium determine its...Ch. 7 - List several ways in which eukaryotic messenger...Ch. 7 - Compare and contrast intrans and exons.Ch. 7 - Polypeptide synthesis requires large amounts of...Ch. 7 - Describe the operon model of gene regulation.Ch. 7 - Prob. 6SACh. 7 - Prob. 7SACh. 7 - Describe the formation and function of mRNA, rRNA,...Ch. 7 - Prob. 9SACh. 7 - Explain the central dogma of genetics.Ch. 7 - Compare and contrast the processes of...Ch. 7 - Fill in the following table:Ch. 7 - On the figure below, label DNA polymerase I, DNA...Ch. 7 - Prob. 2VICh. 7 - The drugs ddC and AZT are used to treat AIDS....Ch. 7 - If molecules of mRNA have the following nucleotide...Ch. 7 - A scientist uses a molecule of DNA composed of...Ch. 7 - Explain why an insertion of three nucleotides is...Ch. 7 - How could scientists use siRNA to turn off a...Ch. 7 - Prob. 5CTCh. 7 - Prob. 6CTCh. 7 - Prob. 7CTCh. 7 - Prob. 8CTCh. 7 - Corynebacterium diphtheriae, the causative agent...Ch. 7 - Prob. 10CTCh. 7 - The endosymbiotic theory states that mitochondria...Ch. 7 - Hydrogen bonds between complementary nucleotides...Ch. 7 - On average, RNA polymerase makes one error for...Ch. 7 - We have seen that wobble makes the genetic code...Ch. 7 - If a scientist synthesizes a DNA molecule with the...Ch. 7 - What DNA nucleotide triplet codes for codon UGU?...Ch. 7 - Suppose you want to insert into your dog a gene...Ch. 7 - Using the following terms, fill in the following...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Nucleotide excision repair A. recognizes and repairs thymine dimers and other damaged bases in DNA B. corrects errors in nucleotide excision C. recognizes and removes mismatched bases after DNA synthesis is completed D. removes nucleotides that are incorrectly incorporated during DNA synthesisarrow_forwardWhich of the following mechanisms is involved in double-strand DNA repair? a. Homology-dependent repair b. Nonhomologous end joining c. Mismatch repair d. A and B e. A, B, and Carrow_forwardDNA damage by uv light creates pyrimidine dimers between adjacent pyrimidines on the same strand. The cellular mechanism used to repair these dimers is : A. Mismatch repair B. Proofreading C. Nucleotide Excision Repair D. Single- base excisionarrow_forward
- Which of the following is not a DNA repair mechanism? a) binding-protein excision repair b) nucleotide excision repair c) mismatch repair d) base excision repairarrow_forwardIn nucleotide excision repair in E. coli, the function of the UvrA/UvrB complex is toa. detect DNA damage.b. make cuts on both sides of the damage.c. remove the damaged piece of DNA.d. replace the damaged DNA with undamaged DNA.arrow_forwardMatch the following type of DNA repair mechanism with the most appropriate definition. Nucleotide excision repair Homologous recombination Base excision repair Nonhomologous end joining A. Repairs thymine dimers by removing a section of the strand B. Corrects damaged bases by removing only the base C. Repairs double strand breaks by joining the ends D. Repairs double strand breaks by copying second chromosomearrow_forward
- DNA strands are anti-parallel and DNA polymerase can only synthesize DNA in a 5' to 3' direction. How does the enzyme synthesize both strands at the same time? A. The leading strand is sythesised in Okazaki fragments B. The lagging strand is synthesised in short Okazaki fragments. C. Only one strand is replicated. D. There are more than one DNA polymerase involved.arrow_forwardWhy are mutations more likely to occur in repeated DNA sequences? a. These bases are unstable b. bases in the strand can form base pairs, generating loops that interfere with replication and repair enzymes. c. The repeats hold onto the replication enzymes, causing base mismatches d. the repeats attract and bind to mutagens, increasing the mutation ratearrow_forwardWhich of the following statements applies to both point and frameshift mutations? A. A base is removed from a DNA template strand B. A base is added to a DNA template strand C. A base is substituted for another base in a DNA template strand D. No correct responsearrow_forward
- Which of the following types of DNA damage would be hardest to repair using the DNA repair pathways?A. Complete removal of three nucleotides in the middle of one strand.B. A covalent bond between a base on one strand and a base on the complementary strand.C. Incorporation of a sugar other than deoxyribose into one strand.D. Covalent attachment of a short polypeptide to a single base.E. A covalent bond between a base and a deoxyribose on the same strand. Please explain why it's Barrow_forwardIn the dideoxy-sequencing reaction, what terminates DNA synthesis at a particular base? a. The absence of a base on the ddNTP halts the DNA polymerase. b. The ddNTP causes a break in the sugar–phosphate backbone. c. DNA polymerase will not incorporate a ddNTP into the growing DNA strand. d. The absence of a 3′-OH group on the ddNTP prevents the addition of another nucleotide.arrow_forwardWhat repair system will have an issue functioning properly if DNA glycosylase loses its function? A. Photoreactivation repair B. Base excision repair C. Nucleotide excision repair D. SOS repairarrow_forward
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