BIOLOGY 2E
2nd Edition
ISBN: 9781506699851
Author: OpenStax
Publisher: XANEDU PUBLISHING
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Textbook Question
Chapter 14, Problem 16RQ
The ends of the linear chromosomes are maintained by
- helicase
- primase
- DNA pol
- telomerase
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Students have asked these similar questions
As shown, telomerase attaches additional DNA, six nucleotides at a time, to the ends of eukaryotic chromosomes. However, it makes only one DNA strand. Describe how the opposite strand is replicated.
The function of the 5’-> 3’ exonuclease activity is found in which of the following:
Group of answer choices
1 All of the above
2 DNA Polymerase II
3 DNA Polymerase III
4 DNA Polymerase I
Which of the following would be involved in the excision repair of a thymine dimer?
O DNA polymerase I
Nuclease
Topoisomerase
Primase
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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- Considening the structure of DNA, what kind of bonds hold one nucleotide to another within one side of the DNA molecule? O hydrogen O phosophodiester O lonic peptidearrow_forwardDescribe precisely the catalytic activity of DNA polymerase I that removes RNA primers. 3' to 5' exonuclease 5' to 3' exonuclease 5' to 3' endonuclease O 3' to 5' endonucleasearrow_forwardNonearrow_forward
- Match the enzyme on the left with its role in DNA replication DNA polymerase I helicase DNA ligase DNA polymerase III topoisomerase primase 72 W w# 3 E $ 4 R % 5 T A 6 MacBook Pro Y & 7 U * 8 replaces primers with DNA connects Okazaki fragments to form a continuous strand of DNA synthesizes short RNA fragments used to initiate DNA synthesis Uses the 3'OH of an RNA primer to synthesize the leading strand and Okazaki fragments keeps DNA from getting tangled up ahead of the replication fork "unwinds" the DNA double helix at the origin and replication forks 1 ( 9 X 0 0 P + 11 Nextarrow_forwardThe function of the 3'-> 5' exonuclease activity is found in which of the following: DNA Polymerase III DNA Polymerase I DNA Polymerase II All of the abovearrow_forwardExtreme UV exposure leads to the SOS response in bacteria. By what mechanism does the SOS response function? Answer choices induction of photolyase and the addition of white light to remove the thymine dimer destruction of lexA, which leads to expression of an alternate, error-prone DNA polymerase homologous recombination repair non-homologous end joining exinuclease removal of a segment of DNA including a thymine dimer, followed by the replacement of DNA using the complementary strand of DNAarrow_forward
- As helicase unwinds the DNA molecule, the separated strands are Topoisomerase kept apart by True Falsearrow_forwardDuring plasmid extraction, after the addition of acetate-conta in ing neutralization buffer the large DNA and prote ins precipitate, but the small bacterial DNA plasmids can renature and stay in solution. Autosome O Plasmid O Gen omic OMitotic O Karyotypearrow_forwardThe 5'-3' exonuclease activity involves all the following EXCEPT: o Both ribonucleotides and deoxyribonucleotides can be removed. O DNA repair can also be undertaken by this activity. o Groups of altered nucleotides can also be removed. o Removal of one nucleotide at a time in the properly base paired DNA. o Activity is possessed by both DNA polymerase I and IIIarrow_forward
- Which of the following enzymes has 5’ to 3’ exonuclease activity? DNA ligase DNA polymerase I Telomerase Primase DNA polymerase IIIarrow_forward7.arrow_forwardThe phenomenon where double-helical DNA absorbs UV light less than does single-stranded DNA is referred to as intercalation hyperchromism hypochromism base-stacking None of the these are correct.arrow_forward
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