Campbell Biology In Focus
2nd Edition
ISBN: 9780134203072
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 13, Problem 9TYU
Summary Introduction
Introduction:
The mechanism of DNA repair involves a group of proteins like DNA polymerase and DNA ligase after the digestion of enzyme with nucleases. The nuclease enzyme degrades and breaks the DNA chromatin in various fragments. This degradation causes the conversion of adenine to hypoxanthine
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Students have asked these similar questions
The spontaneous loss of amino groups from adenine in DNA results in hypoxanthine, an uncommon base, opposite thymine. What combination of proteins cold repair such damage?
a. nuclease, DNA polymerase, DNA ligase
b.telomerase, primase, DNA polymerase
c. telomerase, helicase, single-stranded binding protein
d.DNA ligase, replication for proteins, adenylyl cyclase
Which enzyme adds RNA nucleotides to mark the starting point for the synthesis
of a new DNA strand?
A. DNA polymerase I
B. DNA polymerase III
C. primase
D. helicase
The spontaneous loss of amino groups from adenine in dna results in
hypoxanthine an uncommon base opposite thymine. what combination of
proteins could repair such damage?
A. telomerase, primase, DNA polymerase
B. nuclease, DNA polymerase, DNA ligase
C. telomerase, helicase, single-strand binding protein
D. DNA ligase, replication fork proteins, adenylyl cyclase
A section of DNA has the following sequence of nitrogenous bases: CGATTACAG.
Which of the following sequence would be produced as a result of transcription?
A. CGTUUTCTG
B. GCTAATGTC
C. CGAUUACAG
D. GUAAUGUC
What is the correct sequence action of proteins during the process of DNA replication?
A. DNA polymerase, helicase, primase, ligase, SSB
B. helicase, SSB, primase, ligase, DNA polymerase
C. ligase, helicase, SSB, primase, DNA polymerase
D. helicase, SSB, primase, DNA polymerase, ligase
Chapter 13 Solutions
Campbell Biology In Focus
Ch. 13.1 - Given a polynucleotide sequence such as GAATTC,...Ch. 13.1 - Prob. 2CCCh. 13.2 - What role does base pairing play in the...Ch. 13.2 - Make a table listing the functions of seven...Ch. 13.2 - MAKE CONNECTIONS What is the relationship between...Ch. 13.3 - Describe the structure of a nucleosome, the basic...Ch. 13.3 - What two properties, one structural and one...Ch. 13.4 - Prob. 1CCCh. 13.4 - DRAW IT One strand of a DNA molecule has the...Ch. 13.4 - Describe the role of complementary base pairing...
Ch. 13 - In his work with pneumonia-causing bacteria and...Ch. 13 - What is the basis for the difference in how the...Ch. 13 - In analyzing the number of different bases in a...Ch. 13 - The elongation of the leading strand during DNA...Ch. 13 - Prob. 5TYUCh. 13 - Prob. 6TYUCh. 13 - Prob. 7TYUCh. 13 - Prob. 8TYUCh. 13 - Prob. 9TYUCh. 13 - MAKE CONNECTIONS Although the proteins that cause...Ch. 13 - Prob. 12TYUCh. 13 - FOCUS ON EVOLUTION Some bacteria may be able to...Ch. 13 - FOCUS ON ORGANIZATION The continuity of life is...
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- Which of the following enzymes is responsible for "exposing" or "unwinding" the DNA template (taking it out of its double helix) for DNA Replication? a. Topoisomerase b. Telomerase c. DNA Ligase d. Primase e. Helicasearrow_forwardHelicase is wrongarrow_forwardWhich molecule provides the energy for the assembly of new nucleotides into a DNA strand during DNA replication? a. ATP b. the nucleotide itself c. NADH d. primers e. DNA ligasearrow_forward
- What can cause mutations in the DNA sequence? Select all that apply. a.Exposure of cells to ionizing radiation b.Failure of repair enzymes to recognize mismatched nucleotides before and during DNA replication c.Recognition of mismatched bases by repair enzymes before and during DNA replication d.Nucleotide errors occurring during DNA replicationarrow_forwardA student mixes various molecule needed for DNA replication. When he adds DNA, replication occurs, but each DNA duplex consists of a normal DNA strand paired with numerous segments of DNA a few hundred nucleotides long. What has been left out of the mixture? A. NTPs B. DNA polymerase III C. ATP D. DNA polymerase I E. DNA ligasearrow_forwardWhich 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_forward
- Which of the following enzymes is NOT involved in DNA replication? a. DNA Polymerase b. Primase c. Helicase d. Phosphatase e. DNA Ligasearrow_forwardDNA replication involves a series of steps, including initiation, making primers, extension, and connecting DNA fragments. The cell uses different enzymes in a particular order to accomplish these steps. Which of the following represents the correct general order of enzyme use? A. DNA polymerases, helicase, primase, ligase B. Helicase, ligase, primase, DNA polymerases C. Helicase, primase, DNA polymerases, ligase D. Primase, helicase, DNA polymerases, ligasearrow_forwardWhich statement about Okazaki fragments is true? Select one: O a. They are necessary because DNA polymerase can only build DNA in the 5' to 3' direction, so for one of the strands at each fork, the DNA polymerase can only build away from the fork. O b. They correct errors made during earlier phases of DNA replication. O c. They act as a primer that initiates DNA replication. O d. They prevent the ends of chromosomes from shortening with every replication. e. DNA polymerase doesn't need a primer to build these fragments.arrow_forward
- DNA polymerases make errors in matching as DNA is synthesized. These errors can be detected and repaired by: A. Ligase B. DNA polymerase C. Primase D. Helicasearrow_forwardWhat is the major role of DNA polymerase in the DNA replication? a. Attached RNA primers to initiate the addition of complementary nucleotide sequence at the 5’ to 3’direction b. Adds up new complementary nucleotide sequence at the 3’ to 5’ direction of the DNA template. c. Unwinds the double helix by breaking the bonds at the 3’ to 5’ polymerization activity. d.It transiently cuts each strand to prevent supercoil at the 5’ to 3’ polymerization activity complementary to the RNA strandarrow_forwardWhich dna strand will be synthesized continuously during dna replication? a.The strand that is synthesized as Okazki Fragments b.the strand which is synthesized in the opposite direction compared to the direction of DNA unwinding? c.the strand which is sythesized in the same direction as the same direction of DNA unwinding? d.The m-RNA like strand e. The non-template strandarrow_forward
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