BIOLOGY 2E
2nd Edition
ISBN: 9781506699851
Author: OpenStax
Publisher: XANEDU PUBLISHING
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Textbook Question
Chapter 14, Problem 12RQ
Which of the following components is not involved during the formation of the replication fork?
- single-strand binding proteins
- helicase
- origin of replication
- ligase
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The correct order of the Phases of replication are:
termination
initiation
Elongation
extension
priming
First -> Second -> and then
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
Two important proteins in DNA replication are (select two):
Cdx2
Cdt2
Cdc6
Cdc6
Cdt1
Cdc5
Chapter 14 Solutions
BIOLOGY 2E
Ch. 14 - Figure 14.10 In eukaryotic cells, DNA and RNA...Ch. 14 - Figure 14.14 You isolate a cell strain in which...Ch. 14 - Figure 14.21 A fr am eshift mutation that results...Ch. 14 - If DNA of a particular species was analyzed and it...Ch. 14 - The experiments by Hershey and Chase helped...Ch. 14 - Bacterial transformation is a major concern in...Ch. 14 - DNA double helix does not have which of the...Ch. 14 - In eukaryotes, what is the DNA wrapped around?...Ch. 14 - Meselson and Stahl's experiments proved that DNA...Ch. 14 - If the sequence of the 5'-3' strand is AATGCTAC,...
Ch. 14 - How did Meselson and Stahl support Watson and...Ch. 14 - Which of the following components is not involved...Ch. 14 - Which of the following does the enzyme primase...Ch. 14 - In which direction does DNA replication take...Ch. 14 - A scientist randomly mutates the DNA of a...Ch. 14 - The ends of the linear chromosomes are maintained...Ch. 14 - Which of the following is not a true statement...Ch. 14 - During proofreading, which of the following...Ch. 14 - The initial mechanism for repairing nucleotide...Ch. 14 - A scientist creates fruit fly larvae with a...Ch. 14 - Explain Griffith's transformation experiments What...Ch. 14 - Why were radioactive sulfur and phosphorous used...Ch. 14 - When Chargaffwas performing his experiments, the...Ch. 14 - Provide a brief summary of the Sanger sequencing...Ch. 14 - Describe the structure and complementary base...Ch. 14 - Prokaryotes have a single circular chromosome...Ch. 14 - How did the scientific community learn that DNA...Ch. 14 - Imagine the Meselson and Stahl experiments had...Ch. 14 - DNA replication is bidirectional and...Ch. 14 - What are Okazaki fragments and how they are...Ch. 14 - If the rate of replication in a particular...Ch. 14 - Explain the events taking place at the replication...Ch. 14 - What is the role of a primer in DNA replication?...Ch. 14 - Quinolone antibiotics treat bacterial infections...Ch. 14 - How do the linear chromosomes in eukaryotes ensure...Ch. 14 - What is the consequence of mutation of a mismatch...Ch. 14 - An adult with a history of tanning has his genome...
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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
- DNA polymerases are processive, which means that they remain tightly associated with the template strand while moving rapidly and adding nucleotides to the growing daughter stand. Which piece of the replication machinery accounts for this characteristic? Helicase Sliding Clamp Single Stranded Binding Protein Primasearrow_forwardIn what order does initiation of DNA replication proceed (from 1 = first to 4 = last)? DNA polymerase adds nucleotides DNA unwinds at the origin of replication Primase synthesizes RNA primers Helicase opens up replication forks, which extend in both directionsarrow_forwardWhich of the following enzymes can break, and rejoin, phosphodiester bonds during the normal DNA replication process in the chromosomes of E. coli cells? single-stranded binding proteins RNA polymerase topoisomerase DNA helicase DNA ligasearrow_forward
- Differences between replication and transcription include: O Both DNA strands are replicated but only one stand is transcribed Both DNA strands are transcribed but only one is replicated Some bases used in transcription are different than those used in replication two of the abovearrow_forwardA region of DNA has six copies of a trinucleotide repeat. During one round of replication, the template strand slips as shown in the diagram. How many repeats will the DNA have if the newly synthesized strand is used as a template in the next round of replication? 1 5'-CAG 3'-GTC GTC 4 2 GTCH 3 2 CAG CAG GTC 3 GTC 5 4 CAG-3' GTC -5' 6 Next round of DNA replicationarrow_forwardWhen a cell is to divide, its DNA must be replicated (copied). a) Indicate the main participating components and their functions. b) Why is it important that the replication goes right and that relatively few mutations occur during the replication?arrow_forward
- Replication of nuclear DNA begins at the Ori (origin of replication). True or falsearrow_forwardWhich of the following statements is/are TRUE for DNA Replication? Two daughter DNAs are formed, each one contains an old and new strands. When the (parent) DNA strands unwind, the 3'→ 5' strand is the leading strand while the 5'→3' strand is the lagging strand. Requires dATP, dTTP, dGTP, dCTP and Mg2+ The replisome is the biological machine responsible in replicating DNA.arrow_forwardDefine replication unit or repliconarrow_forward
- Which enzymes are involved in DNA replications? There are multiple answers. Helicase DNA polymerase RNA polymerase DNA ligase single strand binding proteins peptidyl transferase σ unit release factorsarrow_forwardDNA Replication occurs on both prokaryotes and eukaryotes. Although they have a similar genetic flow, there are small differences in between. What are the differences of DNA replication in prokaryotes and eukaryotes? What is/are the major difference/s?arrow_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_forward
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