Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 9, Problem 8TY
Summary Introduction
Introduction:
DNA (deoxyribose
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Which of the following replication proteins is incorrectly paired with it’s function?
DNA polymerase - adds nucleotides to the growing strand
Single stranded binding proteins - hold the DNA strands apart while they are being replicated
Ligase - enhances separation of DNA strands
Topoisomerase - relieves torsional stress due to unwinding by the DNA
Primase - synthesizes a short RNA sequence to initiate replication
Some Processes Involved in DNA Replication
The replication origin is identified.
DNA primase builds RNA primer.
Okazaki fragments are spliced by DNA ligase.
Helicases bind and uncoil the DNA double helix.
RNA primer is the starting point for DNA polymerase.
DNA replication ends at the telomere where DNA codes for termination.
DNA polymerase adds complementary nucleotides in the 5' to 3' direction in short segments called Okazaki fragments.
The sequence in which the events numbered above occur during DNA replication of the lagging strand is:
Some Processes Involved in DNA Replication
The replication origin is identified.
DNA primase builds RNA primer.
Okazaki fragments are spliced by DNA ligase.
Helicases bind and uncoil the DNA double helix.
RNA primer is the starting point for DNA polymerase.
DNA replication ends at the telomere where DNA codes for termination.
DNA polymerase adds complementary nucleotides in the 5' to 3' direction in short segments called Okazaki fragments.
The sequence in which the events numbered above occur during DNA replication of the lagging strand is Answer, Answer, Answer, Answer, Answer, Answer, and Answer.
Chapter 9 Solutions
Principles of Biology
Ch. 9.1 - Look ahead to Figure 17.10. How does bacterial...Ch. 9.1 - Prob. 1TYKCh. 9.2 - Prob. 1CCCh. 9.2 - Prob. 2CCCh. 9.2 - Prob. 3CCCh. 9.2 - A nucleotide composed of deoxyribose, phosphate,...Ch. 9.2 - Prob. 2TYKCh. 9.2 - Prob. 3TYKCh. 9.3 - Prob. 1TYKCh. 9.3 - To determine the structure of DNA, Watson and...
Ch. 9.4 - Prob. 1CCCh. 9.4 - Prob. 1TYKCh. 9.4 - Prob. 2TYKCh. 9.5 - Prob. 1CCCh. 9.5 - Prob. 1TYKCh. 9.5 - Prob. 2TYKCh. 9.5 - Prob. 3TYKCh. 9.6 - Prob. 1CCCh. 9.6 - A nucleosome is composed of 146 bp or 147 bp of...Ch. 9.6 - After they have replicated and become compacted in...Ch. 9.6 - Prob. 1BCCh. 9.6 - Which of the following is the correct order for...Ch. 9 - What is/are the main component(s) of chromosomes?...Ch. 9 - Prob. 2TYCh. 9 - Prob. 3TYCh. 9 - Prob. 4TYCh. 9 - Of the following statements, which is correct when...Ch. 9 - Prob. 6TYCh. 9 - Prob. 7TYCh. 9 - Prob. 8TYCh. 9 - Prob. 9TYCh. 9 - The conversion of euchromatin into heterochromatin...Ch. 9 - What are the four criteria that the genetic...Ch. 9 - What are the key features of DNA that allow it to...Ch. 9 - PRINCIPLES A principle of bioloy is that structure...Ch. 9 - Prob. 1CBQCh. 9 - Prob. 2CBQ
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- Which of the following enzymes relaxes the DNA double helix to avoid tensional force from supercoiling? DNA Ligase DNA Helicase DNA Gyrase/Topoisomerase DNA Polymerasearrow_forwardThe formation of a phosphodiester linkage between the 5'-phosphate group at the end of one DNA fragment and the 3'-hydroxyl group at the end of the other fragment is catalyzed by: ligase. polymerase. gyrase. telomerase. primase.arrow_forwardBecause a newly synthesized DNA molecule consists of one old strand and one new strand, DNA replication is described as recombinatory. conservative. dispersive. semiconservative. transcriptive.arrow_forward
- Which of the following enzymes has a major role in joining of DNA fragments (Okasaki fragments) during DNA replication? Group of answer choices DNA gyrase Helicase Primase DNA polymerase DNA ligasearrow_forwardDescribe how replication makes copies of DNA. Include the following: helicase polymerase primase and primer ligase leading strand lagging strand base pairing rule (a-t, c-g) nucelotide nucleus semiconservativearrow_forwardSelect the CORRECT pairing. DNA polymerase I : links Okazaki fragments together DNA helicase : unwinds both strands of DNA Primase : removes RNA primer DNA ligase : synthesizes DNA primerarrow_forward
- When comparing the three key models of DNA replication, the model that included the separation of the two strands of the original DNA (template) and using those strands as templates to synthesize two new DNA strands is called directional replication. dispersive replication. conservative replication. semiconservative replication.arrow_forwardCircle the following elements that are directly involved in DNA replication process DNA helicase RNA primase Sliding clamp DNA polymerase DNA ligasearrow_forwardWhich of the following enzymes ensures that the correct base of a deoxynucleotide for growing the chain is aligned with template chain? DNA gyrases DNA ligases DNA polymerases primasesarrow_forward
- Which of the following are major differences between DNA and RNA polymerases? RNA polymerase, but not DNA polymerase, requires a primer to begin synthesizing the nucleic acid polymer DNA polymerase, but not RNA polymerase, requires a primer to begin synthesizing the nucleic acid polymer RNA polymerase, but not DNA polymerase, is unique to eukaryotic cells DNA polymerase, but not RNA polymerase, is unique to eukaryotic cells DNA polymerase is involved in replication; RNA polymerase is involved in transcription 00arrow_forwardWhat proteins are crucial for creating and maintaining DNA replication forks? Choose the best explanation. Question 2 options: Helicase creates the replication fork; primase keeps the single strands from closing shut. Helicase creates the replication fork; single-strand binding proteins keep the single strands from reuniting. Ligase creates the replication fork; DNA polymerase II keeps the single strands from reuniting. Helicase creates the replication fork; ligase keeps the single strands from closing shut.arrow_forwardWhich of these molecules links the most of the individual DNA nucleotides together on the newly synthesized strands of DNA? topoisomerase DNA polymerase ligase RNA primase helicasearrow_forward
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