Free radical damage to DNA often results in I. pyrimidine dimers II. point mutations III. insertions...
Free radical damage to DNA often results in
I. pyrimidine dimers
II. point mutations
III. insertions
IV. base excision
I only.
II only.
I, II.
II, III.
I, IV.
Homework Answers
Free radical damage to DNA often results in pyrimidine dimers
Option 1 is correct
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Free radical damage to DNA often results in
I. pyrimidine dimers
II. point mutations
III. insertions...
11. A mutation occurs when i) hydrolysis of a glycosidic bond releases a purine or pyrimidine...
11. A mutation occurs when i) hydrolysis of a glycosidic bond releases a purine or pyrimidine base. ii) homologous DNA strands undergo recombination. iii) DNA polymerase inserts the wrong nucleotide during replication. iv) damaged DNA is not repaired before the cell divides. v) All of the above
1. In eukaryotes, which DNA polymerase is primarily responsible for filling in the gaps in the...
1. In eukaryotes, which DNA polymerase is primarily responsible for filling in the gaps in the DNA generated during base excision repair? DNA polymerase α DNA polymerase β DNA polymerase γ DNA polymerase ö DNA polymerase μ 2. High energy electromagnetic radiation includes which of the following? ultraviolet light x-rays gamma rays two of the above all three of the above 3. Which of the following types of damage to DNA cannot be caused by x-rays and gamma rays? deletions...
2014 I 31 2017 I 69 II 24 II 54 III 23 III 46 IV 16...
2014 I 31 2017 I 69 II 24 II 54 III 23 III 46 IV 16 IV 32 2015 I 42 2018 I 82 II 35 II 66 III 30 III 51 IV 23 IV 38 2016 I 53 2019 I 91 II 45 II 72 III 39 III 59 IV 27 IV 41 Create a multiple regression equation incorporating both a trend (t=0 in 2013: IV) and dummy variables for the quarters. Let the first quarter represent the reference...
I-Upon heavy damage to the cell'S DNA, the normal y stall when encountering replicative DNA polymerases...
I-Upon heavy damage to the cell'S DNA, the normal y stall when encountering replicative DNA polymerases ma damaged DNA, triggering the use of backup translesion polymerases. These backup polymerases (2 marks) A. have 5'-to-3' exonucleolytic proofreading activity B. are substituted by the replicative polymerases after adding only a few nucleotides. C. can generate mutations only on undamaged DNA D. may identify specific D NA damage and add the suitable nucleotide to restore the original sequence. E. All of the above...
pleas help 5,6,7,8,9,10 III IV 5. The product of free-radical halogenation reactions is an alkyl halide....
pleas help 5,6,7,8,9,10
III IV 5. The product of free-radical halogenation reactions is an alkyl halide. The major amount of this halide forms during the second step of propagation. However, you should be aware that one possible termination step also forms alkyl halides. Why does the majority of the alkyl halide product come from the propagation step and not the termination step? A. At any given time during the reaction, the concentration of both the alkyl radical and the halide...
2) Eight different point mutations are studied by complementation test and by der mapping. The results...
2) Eight different point mutations are studied by complementation test and by der mapping. The results of all pair-wise complementation tests between shown below. A) Classify these eight mutants into genes. 1 2 3 4 B) The eight point mutations are crossed with three deletion mutants. Taking these and the complementation data into account, indicate the order of mutations 1-8. Draw circles around paired mutations in the same gene. Also draw three lines beneath the map to indicate the position...
Answer the questions: Question 11 Recognition/binding site of RNA polymerase is called a Receptorb. Promoter ....
Answer the questions:
Question 11 Recognition/binding site of RNA polymerase is called a Receptorb. Promoter . Facilitatord. Terminator Question 12 .A specific factor helps RNA polymerase binding to promoters and transcribe genes a Delta b. Beta Gamma d. Sigma Question 13 ............ Promoters lack a TATA box are referred to as TATA less promoters, for example operon Housekeeping genes b. Functional genesc d. Structural genes Question 14 0.5 points Save Answer During "RNA processing" All of the exons are a....
Shown below are the sequences of three duplex DNA molecules. I. 5" AGCCTAACTGCGAT 3' II. 5'...
Shown below are the sequences of three duplex DNA molecules. I. 5" AGCCTAACTGCGAT 3' II. 5' CGCATTATTGTCAA 3' III. 5' CTAACCCGCACTGG 3' 3' TCGGATTGACGCTA 5' 3' GCGTAATAACAGTT 5' 3' GATTGGGCGTGACC 5' a. State the relationship between the percentage of AT base pairs in a double-stranded DNA molecule and the melting point of that molecule. b. Order the above three molecules (I, II, III) in terms of their melting points from lowest to highest. The graph below shows the results of...
17 1 point The Lewis dot formula for formaldehyde, H2CO, shows: I. II. III. IV. three...
17 1 point The Lewis dot formula for formaldehyde, H2CO, shows: I. II. III. IV. three single covalent bonds. one unshared pair of electrons. one double covalent bond. two unshared pairs of electrons. two single covalent bonds. V. I and II III, IV and V II, III and V II and III I and IV
4)1 I, IlII, and IV only 5) 1, II, III, and IV Question 19 (1 point)...
4)1 I, IlII, and IV only 5) 1, II, III, and IV Question 19 (1 point) A frm with inventory of $199, total current assets of $943, and current liabilities of $371 has a quick (acid test) ratio of: Your Answer: Answer Question 20 (1 point) During the latest year, XYZ Corporation has total sales of $200.000, net income of 10.000, and its year-end total assets were S24000. The firm's total debt to total assets ratio was 40%, what is...
I-Upon heavy damage to the cell'S DNA, the normal y stall when encountering replicative DNA polymerases ma damaged DNA, triggering the use of backup translesion polymerases. These backup polymerases (2 marks) A. have 5'-to-3' exonucleolytic proofreading activity B. are substituted by the replicative polymerases after adding only a few nucleotides. C. can generate mutations only on undamaged DNA D. may identify specific D NA damage and add the suitable nucleotide to restore the original sequence. E. All of the above...
pleas help 5,6,7,8,9,10
III IV 5. The product of free-radical halogenation reactions is an alkyl halide. The major amount of this halide forms during the second step of propagation. However, you should be aware that one possible termination step also forms alkyl halides. Why does the majority of the alkyl halide product come from the propagation step and not the termination step? A. At any given time during the reaction, the concentration of both the alkyl radical and the halide...
2) Eight different point mutations are studied by complementation test and by der mapping. The results of all pair-wise complementation tests between shown below. A) Classify these eight mutants into genes. 1 2 3 4 B) The eight point mutations are crossed with three deletion mutants. Taking these and the complementation data into account, indicate the order of mutations 1-8. Draw circles around paired mutations in the same gene. Also draw three lines beneath the map to indicate the position...
Answer the questions:
Question 11 Recognition/binding site of RNA polymerase is called a Receptorb. Promoter . Facilitatord. Terminator Question 12 .A specific factor helps RNA polymerase binding to promoters and transcribe genes a Delta b. Beta Gamma d. Sigma Question 13 ............ Promoters lack a TATA box are referred to as TATA less promoters, for example operon Housekeeping genes b. Functional genesc d. Structural genes Question 14 0.5 points Save Answer During "RNA processing" All of the exons are a....
Shown below are the sequences of three duplex DNA molecules. I. 5" AGCCTAACTGCGAT 3' II. 5' CGCATTATTGTCAA 3' III. 5' CTAACCCGCACTGG 3' 3' TCGGATTGACGCTA 5' 3' GCGTAATAACAGTT 5' 3' GATTGGGCGTGACC 5' a. State the relationship between the percentage of AT base pairs in a double-stranded DNA molecule and the melting point of that molecule. b. Order the above three molecules (I, II, III) in terms of their melting points from lowest to highest. The graph below shows the results of...
17 1 point The Lewis dot formula for formaldehyde, H2CO, shows: I. II. III. IV. three single covalent bonds. one unshared pair of electrons. one double covalent bond. two unshared pairs of electrons. two single covalent bonds. V. I and II III, IV and V II, III and V II and III I and IV
4)1 I, IlII, and IV only 5) 1, II, III, and IV Question 19 (1 point) A frm with inventory of $199, total current assets of $943, and current liabilities of $371 has a quick (acid test) ratio of: Your Answer: Answer Question 20 (1 point) During the latest year, XYZ Corporation has total sales of $200.000, net income of 10.000, and its year-end total assets were S24000. The firm's total debt to total assets ratio was 40%, what is...
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