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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Textbook Question
Chapter 9, Problem 5TY
Of the following statements, which is correct when considering the process of
- New DNA molecules are composed of two completely new strands.
- New DNA molecules are composed of one strand from the old molecule and one new strand.
- New DNA molecules are composed of strands that are a mixture of sections from the old molecule and sections that are new.
- None of the above are correct.
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Which of the following statements BEST describes the process of DNA Replication?
Group of answer choices
The two strands of the parental molecule separate and serves as template for synthesis of a new strand.
Each new strand is identical to its template strand.
Each strand of both daughter molecules contains a mixture of old and newly synthesized DNA.
The two parental strands reassociate after acting as templates for new strands restoring the parental double helix.
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
Which of the following statements are TRUE?I. DNA replication is a semiconservative process wherein the two resulting double helices consist of one new strand and one parental strand.II. The DNA strand that is used to make a complementary daughter strand is called the parental strand.III. The precursor of each new nucleotide in the DNA strand is a deoxynucleoside 3′-triphosphate.IV. The incoming nucleotide always attaches to 5′-phosphate of the previously added nucleotide
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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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 called semiconservative?arrow_forwardWhat is the function of DNA polymerase? a. It degrades DNA in cells. b. It adds RNA nucleotides to a new strand. c. It coils DNA around histones to form chromosomes. d. It adds DNA nucleotides to a replicating strand. e. None of these.arrow_forwardWhich of the following statements are TRUE?I. DNA replication is a semiconservative process wherein the two resulting double helices consist of one new strand and one parental strand.II. The DNA strand that is used to make a complementary daughter strand is called the parental strand.III. The precursor of each new nucleotide in the DNA strand is a deoxynucleoside 3′-triphosphate.IV. The incoming nucleotide always attaches to 5′-phosphate of the previously added nucleotide a. I only b. II only c. I and IV d. III and IVarrow_forward
- DNA replication results in (a) two DNA molecules—one with two old strands, and one with two new strands. (b) two DNA molecules, each of which has two new strands. (c) two DNA molecules, each of which has one old strand and one new strand. (d) none of the abovearrow_forwardWhich of the following steps in DNA replication would occur second? 1.DNA molecule separates into two template strands.2.Complimentary nucleotides are added to each template strand.3.DNA molecule unwinds.4.Two DNA molecules, each with a template strand and a new strand, are formed.arrow_forwardWhich 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 replicationarrow_forward
- 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, ligasearrow_forwardDNA replication is called semi-conservative because ___ (all, all or none) of the two new strands of DNA is old DNA from the original DNA molecule and ___ (all, all or none) is new DNA.arrow_forwardA cell containing a single chromosome is placed in a medium containing radioactive phosphate, making a new DNA strand formed by DNA replication radioactive. The cell replicates its DNA and divides. Then the daughter cells replicate their DNA and divide, resulting in a total of four cells. Sketch the DNA molecules in all four cells, showing a normal DNA strand as a solid line and a radioactive DNA strand as a dashed line.arrow_forward
- DNA replication is said to be semiconservative because ___ Synthesis can proceed uninterrupted (as a leading strand) in only one direction Each new DNA strand contains one parent strand and one new strand After each round of DNA replication, the original DNA strands joins None of the abovearrow_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_forwardWhich of the following is not a difference between eukaryotic DNA and prokaryotic DNA? A. Eukaryotic DNA is found in the nucleus, prokaryotic DNA is not in the nucleus B. Eukaryotic DNA is linear, prokaryotic is circular C. Eukaryotic DNA consists of adenine, thymine, guanine, and cytosine bases, prokaryotic has uracil, thymine, guanine and cytosine D. Eukaryotic DNA has telomeres, prokaryotic does not have telomeresarrow_forward
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