Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 11.5, Problem 4COMQ
To synthesize DNA, what does telomerase use as a template?
a. It uses the DNA in the 3′ overhang region.
b. It uses RNA that is a component of telomerase.
c. No template is used.
d. Both a and b are correct.
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Check out a sample textbook solutionStudents have asked these similar questions
Describe What are the sticky ends of the restriction fragments?
Select one:
a. The surfaces of sticky ends contain matching base pairs, allowing fragments to splice.
b. The surfaces of sticky ends have glue like substance that allow fragments to splice.
c. The surfaces of sticky ends contain the exact same nucleotides, allowing fragments to bond.
d. The surfaces of sticky ends have velcro like structure, allowing fragments to bond.
Which of the following best describes the function of telomerase?
a. The telomerase uses its RNA component as a template and performs reverse transcription to extend the telomeres.
b. The telomerase uses an external RNA transcript as a template and performs reverse transcription to extend the telomeres.
c. The telomerase uses its RNA component as a template and recruits DNA polymerase I to extend the telomeres.
d. The telomerase uses an external RNA transcript as a template and recruits DNA polymerase I to extend the telomeres.
What are the sticky ends of the restriction fragments?
Select one:
a. The surfaces of sticky ends contain matching base pairs, allowing fragments to splice.
b. The surfaces of sticky ends have glue like substance that allow fragments to splice.
c. The surfaces of sticky ends contain the exact same nucleotides, allowing fragments to bond.
d. The surfaces of sticky ends have velcro like structure, allowing fragments to bond.
Chapter 11 Solutions
Genetics: Analysis and Principles
Ch. 11.1 - 1. The complementarity of DNA strands is based on...Ch. 11.1 - 2. To make a new DNA strand, which of the...Ch. 11.1 - 3. The model that correctly describes the process...Ch. 11.2 - 1. A site in a chromosome where DNA replication...Ch. 11.2 - The origin of replication in E. coli contains a....Ch. 11.3 - 1. The enzyme known as ______ uses ________ and...Ch. 11.3 - In the lagging strand, DNA is made in the...Ch. 11.4 - 1. DNA polymerase III is a processive enzyme,...Ch. 11.4 - 2. The proofreading function of DNA polymerase...Ch. 11.5 - 1. In eukaryotes, DNA replication is initiated at...
Ch. 11.5 - 2. Which of the following statements regarding DNA...Ch. 11.5 - 3. In eukaryotes, RNA primers are primarily...Ch. 11.5 - 4. To synthesize DNA, what does telomerase use as...Ch. 11 - What key structural features of the DNA molecule...Ch. 11 - 2. With regard to DNA replication, define the term...Ch. 11 - Which of the following statements is not true?...Ch. 11 - The compound known as nitrous acid is a reactive...Ch. 11 - One way that bacterial cells regulate DNA...Ch. 11 - 6. The chromosome of E. coli contains 4.6 million...Ch. 11 - Here are two strands of DNA. DNA polymerase The...Ch. 11 - A DNA strand has the following sequence:...Ch. 11 - 9. List and briefly describe the three types of...Ch. 11 - 10. As shown in Figure 11.5, five DnaA boxes are...Ch. 11 - 11. Obtain two strings of different colors (e.g.,...Ch. 11 - Sometimes DNA polymerase makes a mistake, and the...Ch. 11 - 13. A short genetic sequence, which may be...Ch. 11 - Single-strand binding proteins keep the two...Ch. 11 - 15. In the following drawing, the top strand is...Ch. 11 - Describe the three important functions of DnaA...Ch. 11 - 17. Draw a picture that illustrates how DNA...Ch. 11 - What is an Okazaki fragment? In which strand of...Ch. 11 - Discuss the similarities and differences in the...Ch. 11 - 20. Explain the proofreading function of DNA...Ch. 11 - 21. What is a processive enzyme? Explain why...Ch. 11 - 22. What enzymatic features of DNA polymerase...Ch. 11 - 23. As shown in Figure 11.24, telomerase attaches...Ch. 11 - If a eukaryotic chromosome has 25 origins of...Ch. 11 - Prob. 25CONQCh. 11 - A diagram of a linear chromosome is shown here....Ch. 11 - As discussed in Chapter 18, some viruses contain...Ch. 11 - 28. Telomeres contain a 3′ overhang region, as...Ch. 11 - 1. Answer the following questions pertaining to...Ch. 11 - An absentminded researcher follows the steps of...Ch. 11 - Figure 11.4b shows an autoradiograph of a...Ch. 11 - 4. As described in Table 11.3, what is the...Ch. 11 - The technique of dideoxy sequencing of DNA is...Ch. 11 - 6. Another technique described in Chapter 21 is...Ch. 11 - The complementarity of its two strands is the...Ch. 11 - Compare and contrast DNA replication in bacteria...Ch. 11 - 3. DNA replication is fast, virtually error-free,...
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- What is the enzymatic function of restriction enzymes? Group of answer choices a. to cut nucleic acids at specific sites b. to join nucleotides during transcription c. to add new nucleotides to the growing strand of DNA d. to repair breaks in sugar - phosphate backbonesarrow_forwardAll of the following statements about telomerase are correct except: A. the RNA component acts as a template for the synthesis of a segment of DNA. B. it adds telomeric repeats to the 5'-ends of the DNA strands. C. it provides a mechanism for replicating the ends of linear chromosomes. D. it recognizes a G-rich single strand of DNA E. it is a reverse transcripcase.arrow_forwardWhat is a restriction endonuclease? Select one: a. It is an enzyme that cleaves at a specific nucleotide sequence. b. It restricts the movement of the DNA outside the nucleus. c. It proofreads the DNA for accidental damages and corrects any errors. d. It is an enzyme that separates the DNA double helix.arrow_forward
- Which proteins are responsible for the unwinding of the double-stranded DNA during relication? A. Primases. B. Lyases. C. Helicases D. Topoisomerases E. Ligasesarrow_forwardA 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.arrow_forwardWhat is Sanger sequencing? Why do we use ddNTP? How to read a DNA sequence gel? c. What is a cDNA seq (RNA seq)? d. What is the main difference between a genomic and a transcriptome study?arrow_forward
- Although SINES are nonautonomous, they do occasionally move from one genomic site to another. How is this usually achieved? a. Using another TE's insertion sequence b. Using another TE's restriction enzyme c. Using another TE's transposase d. Using another TE's reverse transcriptasearrow_forwardWhat is the principle of the SNP (single nucleotide polymorphisms) in the diagnosis of human diseases? a. PCR product of a gene is different from the expected one b. The size of a recombinant DNA is different from the expected one c. Mutation of a single base in a gene makes the size of a band digested by specific restriction enzymes different from the expected one d. The DNA band detected by Southern blot is different from that by Northern blotarrow_forwardPlace the steps of sanger sequencing in order.A. A fluorescent laser excites the fragments and records the wavelength consistent with a single nucleotide. B. ddNTPs bind and stop chain extension.C. DNA fragments are separated by size through a capillary tube. D. DNA polymerase copies the target region of template DNA.E. The final nucleotide of each fragment is labeled with a fluorescent tag.arrow_forward
- Which of the following does not occur during telomerase extension of parental DNA? a. Translocation of the telomerase across the parental DNA. b. Extension of the DNA that is complementary to the telomerase RNA. c. Polymerisation of the new daughter DNA strand by telomerase. d. Binding of an RNA primer and synthesis of new DNA in a 5' to 3' direction. e. Binding of the telomerase to the telomere.arrow_forwarda. What is the purpose of molecular cloning?b. What purpose do selectable markers serve in vectors?c. What is the purpose of the origin of replication in aplasmid vector?d. Why do cloning vectors have polylinkers?arrow_forwardPredict the effect on the PCR reaction if any of the following circumstances arose: i) there are no primers in the reaction, i) there are no dNTPs in the reaction, iii) there is no Taq polymerase in the reaction, A PCR would not commence. B. PCR would proceed normally. C. PCR would cease after a few cycles. D. Non-specific DNA amplification will occur.arrow_forward
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