Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
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 2TYU
What is the basis for the difference in how the leading and lagging strands of DNA molecules are synthesized?
- A. DNA polymerase can join new
nucleotides only to the 3’ end of a preexisting strand. - B. Helicases and single-strand binding proteins work at the 5’ end.
- C. The origins of replication occur only at the 5’ end.
- D. DNA ligase works only in the 3’ → 5’ direction.
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Students have asked these similar questions
What is the correct chronological order of the initiation of DNA replication?
A. Hydrogen bonds between complementary base pairs are broken at origin of replication
B. Primase binds to the site of origin.
C. DNA polymerase binds to the template strand.
D. An RNA primer is synthesized.
E. Incoming deoxynucleoside triphosphates are added to the growing strand.
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.
Which 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 strand
Chapter 13 Solutions
Campbell Biology in Focus (2nd Edition)
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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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
- Why is DNA replication considered semiconservative? A. Both strands of each replicating DNA molecules are conserved. B. One molecule consists of the old strands and the other DNA molecule is entirely new. C. One strand of each replicating DNA molecule is conserved and the other strand is newly synthesized. D. Both strands of each replicating DNA molecule are new.arrow_forwardWhat was the significance of Meselson and Stahl’s experiments on DNA replication using the heavy isotope of Nitrogen? A. telomerase was identified as the molecule responsible for solving the end replication problem of eukaryotic chromosomes B. the existence of lagging strand synthesis was proven. C. the rate of DNA synthesis by DNA polymerase was measured D. the processivity of DNA polymerase was established E. the semi-conservative mode of DNA replication was confirmedarrow_forwardWhat is DNA polymerase? a.An enzyme that carries out DNA replication b.Short, single strand of DNA that base-pairs with a specific DNA sequence c.An enzyme that corrects mutations that arise during the replication of DNA d.An enzyme that seals any gaps that remain between bases of replicating strands of DNAarrow_forward
- Why is DNA replication considered semiconservative? a. One molecule consists of the old strands and the other DNA molecule is entirely new. b.Both strands of each replicating DNA molecule are new. c. One strand of each replicating DNA molecule is conserved and the other strand is newly synthesized. d.Both strands of each replicating DNA molecules are conserved.arrow_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_forwardWhich statement about Okazaki fragments is true? Select one: a. DNA polymerase doesn’t need a primer to build these fragments b. They act as a primer that initiates DNA replication. c. They correct errors made during earlier phases of DNA replication. d. 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 buildaway from the fork. e. They prevent the ends of chromosomes from shortening with every replication.arrow_forward
- What describes or designates the 3' end of a DNA strand? a. an available hydroxyl group on the 5th carbon of a deoxyribose of a terminal nucleotide b. an available phosphate group on the 3rd carbon of a deoxyribose of a terminal nucleotide c. an available hydroxyl group on the 3rd carbon of a deoxyribose of a terminal nucleotide d. an available hydroxyl group on the 2nd carbon of a deoxyribose of a terminal nucleotidearrow_forwardThe Sanger method of DNA sequencing uses a mixture of DNTPS and ddNTPs, which are missing oxygen atoms at both the 2' and 3' carbons. What is the role of the ddNTPs? O A. They stop replication because they are not able to bind to the growing DNA strand. O B. They stop replication because the next nucleotide in the growing strand cannot bind to them. O C. The enhance replication because DNA polymerase selectively adds them to the growing DNA strand. O D. They enhance replication because they form additional hydrogen bonds with the complimentary DNA strand. ered MacBook Air 80 F3 D00 F4 F1 F2 F6 F7 23 & 2 3 5 6 %244arrow_forwardDuring DNA replication, what is the very first process to occur? a. synthesis of the lagging strand b. sealing of the nicks between short DNA sections c. synthesis of the leading strand d. identifying where to start or "initiate" replication e. unwinding of the parent DNAarrow_forward
- What is DNA polymerase? A. An enzyme that corrects mutations that arise during the replication of DNA B. An enzyme that seals any gaps that remain between bases of replicating strands of DNA C. Short, single strand of DNA that base-pairs with a specific DNA sequence D. An enzyme that carries out DNA replicationarrow_forwardWhich 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. GUAAUGUCarrow_forwardWhy is DNA replication called semiconservative? A. Both daughter strands are entirely new B. Each daughter duplex contains one strand from the parent structure and one new strand C. Each daughter duplex will contain parts of the parental strand in each strand. D. None of these is the correct answer.arrow_forward
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