BIOLOGY(LL)-W/ACCESS CODE >CUSTOM<
12th Edition
ISBN: 9781264058167
Author: Raven
Publisher: MCG CUSTOM
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Textbook Question
Chapter 14, Problem 7A
The synthesis of telomeres
a. uses DNA polymerase, but without the sliding clamp.
b. uses enzymes involved in DNA repair.
c. requires telomerase, which does not use a template.
d. requires telomerase, which uses an internal RNA as a template.
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A linear plasmid contains only two genes, which are transcribed in opposite directions, each one from the end, toward the center of the plasmid. Draw diagrams ofa. the plasmid DNA, showing the 5′ and 3′ ends of the nucleotide strands.b. the template strand for each gene.c. the positions of the transcription-initiation sites.d. the transcripts, showing the 5′ and 3′ ends.
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Chapter 14 Solutions
BIOLOGY(LL)-W/ACCESS CODE >CUSTOM<
Ch. 14.1 - Describe the experiments of Griffith and Avery.Ch. 14.1 - Evaluate the evidence for DNA as genetic material.Ch. 14.2 - Explain how the WatsonCrick structure rationalized...Ch. 14.2 - Prob. 2LOCh. 14.3 - Prob. 1LOCh. 14.3 - Prob. 2LOCh. 14.4 - Prob. 1LOCh. 14.4 - Prob. 2LOCh. 14.4 - Diagram the functions found at the replication...Ch. 14.5 - Compare eukaryotic replication with prokaryotic.
Ch. 14.5 - Prob. 2LOCh. 14.5 - Prob. 3LOCh. 14.6 - Prob. 1LOCh. 14.6 - Prob. 2LOCh. 14 - Prob. 1DACh. 14 - Prob. 2DACh. 14 - Prob. 1IQCh. 14 - Prob. 2IQCh. 14 - How does the structure of eukaryotic genomes...Ch. 14 - Prob. 4IQCh. 14 - Prob. 1UCh. 14 - Which of the following is NOT a component of DNA?...Ch. 14 - Chargaff studied the composition of DNA from...Ch. 14 - The bonds that hold two complementary strands of...Ch. 14 - Prob. 5UCh. 14 - Prob. 6UCh. 14 - Which of the following is NOT pan of the...Ch. 14 - If one strand of a DNA is 5 ATCGTTAAGCGAGTCA 3,...Ch. 14 - Hershey and Chase used radioactive phosphorus and...Ch. 14 - The Meselson and Stahl experiment used a density...Ch. 14 - Prob. 4ACh. 14 - If the activity of DNA ligase was removed from...Ch. 14 - Successful DNA synthesis requires all of the...Ch. 14 - The synthesis of telomeres a. uses DNA polymerase,...Ch. 14 - When mutations that affected DNA replication were...Ch. 14 - Prob. 1SCh. 14 - In the Meselson-Stahl experiment, a control...Ch. 14 - Enzyme function is critically important for the...
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- 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 correctarrow_forwardThe elongation of leading strand during DNA synthesis a. progresses away from the replication fork. b. occurs in the 3'-5' direction c. does not require a template strand d. depends on the action of DNA polymerasearrow_forwardA.) There is no change in the DNA sequence if nucleotides are added or removed, it will have no effect to the cell. B.) Mutations in the DNA sequence are all irreversible. A. Statement A is correct B. Statement B is correct C. Both A and B are correct D. Both A and B are incorrectarrow_forward
- Which of the following one is liable for the conversion of covalently closed circular DNA to super coiled DNA of the plasmid? a.Exonuclease b. DNA Gyras c. Endonuclease d. Topoisomerasearrow_forwardThe enzyme responsible for adding new nucleotides to a growing DNA chain during DNA replication is a. helicase. b. RNA polymerase. c. DNA polymerase. d. DNA ligase.arrow_forwardIn an EMSA, the binding of a protein to DNAa. prevents the DNA from being digested with a restrictionenzyme.b. causes the DNA to migrate more slowly through a gel.c. causes the DNA to migrate more quickly through a gel.d. inhibits the expression of any genes within the DNA.arrow_forward
- Which of the following enzymes is responsible for ensuring that genetic material at the end of the chromosome is not lost during DNA replication? a. Helicase b. DNA Polymerase c. Telomerase d. DNA Ligase e. Primasearrow_forwardXeroderma pigmentosa (XP): A. is caused by a defect in the mismatch repair system. B. typically results in base substitution mutations. C. can be caused by defects in any of a number of different genes that have to do with DNA repair. D. results when an individual does not spend enough time outside. E. Can be corrected by a direct repair mechanismarrow_forwardDuring DNA replication, DNA methylation: please explain answer a. A and C b. B. marks the strand not cut in mismatch repair c. A and B d. A. marks the parental DNA strand e. C. marks the strand cut in mismatch repairarrow_forward
- Which of the following statements accurately describes the process of DNA replication? A. The two strands of DNA separate, and a single new strand is synthesized using the existing strand as a template. B. The two strands of DNA separate and serves as a template, and the daughter molecule will have a mix of an old and new strand. C. The two strands of DNA separate and serves as a template, and the daughter molecule will have one old strand and one new strand. D. The two strands of DNA separate, and each strand serves as a template for the synthesis of multiple new complementary strands.arrow_forwardDuring DNA replication, short RNA primers are made by the Primase. Why? a. To provide a 3'-OH so DNA polymerase can begin DNA synthesis. b. To recruit single stranded binding proteins to the correct location. c. To identify the termination sequence for DNA polymerase during DNA synthesis. d. To provide a 3'-OH so RNA polymerase can begin DNA synthesis. e. To identify the origin of replication to recruit the origin replication complex to the correct genomic location.arrow_forwardEukaryotes such as humans have linear chromosomes. In order to signal the end of DNA replication, there is a large repetitive sequence of DNA called a telomere. The telomere region of the DNA signals a process called a. detachment b. termination c. elongation d. transcriptionarrow_forward
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