The primer is needed during DNA replication because: A) it provides energy for making the new strand B) actually, primer is NOT needed because DNA polymerase can make DNA "from scratch" C) it helps DNA polymerase to bind to the DNA D) it serves as an existing nucleic acid to which DNA polymerase can add nucleotides to form the new strand E) it serves as the template for making the new strand

The primer is needed during DNA replication because: A) it provides energy for making the new strand B) actually, primer is NOT needed because DNA polymerase can make DNA "from scratch" C) it helps DNA polymerase to bind to the DNA D) it serves as an existing nucleic acid to which DNA polymerase can add nucleotides to form the new strand E) it serves as the template for making the new strand

Name: The primer is needed during DNA replication because:A) it provides ene
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Description: The primer is needed during DNA replication because:A) it provides energy for making the new strandB) actually, primer is NOT needed because DNA polymerase can make DNA "from scratch"C) it helps DNA polymerase to bind to the DNAD) it serves as an exi

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter15: Genomes And Genomics

Section: Chapter Questions

Problem 6QP: Which of the following best describes the process of DNA sequencing? a. DNA is separated on a gel,...

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Why is the replication of DNA referred to as a semiconservative process? What is the experimental evidence for the semiconservative nature of the process? What experimental results would you expect if replication of DNA were a conservative process?
The general excision repair pathway for DNA repair has the following order A. endonuclease cuts → DNA ligase removes → endonuclease removes → DNA ligase B. DNA ligase → DNA polymerase → helicase or endonuclease removes → endonuclease cuts C. endonuclease cuts → helicase or endonuclease removes → DNA polymerase → DNA ligase D. endonuclease cuts → DNA polymerase repairs → helicase opens up → DNA ligase
When DNA replication was investigated by using heavy, N15 DNA to mark the original molecules, and light, N14 DNA to mark the newly synthesized molecules, one band was found in the middle of the centrifuge column after one round of replication, and two bands were found (middle and top of column) after 2 rounds of replication. Imagine that after 1 round of replication 2 bands were found, one at the bottom and one at the top of the centrifuge column. In that case, what model of DNA replication would have been supported? The dispersive model The conservative model The Franklin model The semi-conservative model
DNA 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, ligase
In humans, the synthesis of Okazaki fragments requires: DNA polymerase III and DNA polymerase I DNA polymerase alpha (α) and DNA polymerase epsilon (ε) DNA polymerase delta (δ) and DNA polymerase epsilon (ε) DNA polymerase alpha (α) and DNA polymerase delta (δ) DNA polymerase alpha (α), DNA polymerase delta (δ), and DNA polymerase epsilon (ε)
Define the following words: replication fork, leading strand, lagging strand, Okazaki fragments, helicase, single strand, binding protein, primase, DNA polymerase 3, DNA polymerase 1, dna ligase and nuclease
Which of the following types of DNA damage would be hardest to repair using the DNA repair pathways?A. Complete removal of three nucleotides in the middle of one strand.B. A covalent bond between a base on one strand and a base on the complementary strand.C. Incorporation of a sugar other than deoxyribose into one strand.D. Covalent attachment of a short polypeptide to a single base.E. A covalent bond between a base and a deoxyribose on the same strand. Please explain why it's B
Which of the following best describes the process of DNA sequencing? a. DNA is separated on a gel, and the different bands are labeled with fluorescent nucleotides and scanned with a laser. b. A laser is used to fluorescently label the nucleotides present within the DNA, the DNA is run on a gel, and then the DNA is broken into fragments. c. Nucleotides are scanned with a laser and incorporated into the DNA that has been separated on a gel, and then the DNA is amplified with PCR. d. Fragments of DNA are produced in a reaction that labels them with any of four different fluorescent dyes, and the fragments then are run on a gel and scanned with a laser. e. DNA is broken down into its constituent nucleotides, and the nucleotides are then run on a gel and purified with a laser.
What is the purpose and benefit of the polymerase chain reaction?
In terms of new DNA strands that are generated, what are the differences between replication and conventional polymerase chain reactions?
What does DNA polymerase need in order to make contact with a replication origin?
Place the following steps of DNA replication and repair in the correct order by numbering them from 1 to 5. a. A template strand begins to be replicated. b. If the incorrect base is not identiﬁed and replaced, it remains as a point mutation in the DNA. c. DNA polymerase identiﬁes and replaces most incorrect bases with the correct base, complementary to the base on the template strand. d. An incorrect base is added to the growing strand of DNA. e. Proteins identify and replace any incorrect bases missed by DNA polymerase.