Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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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_forwardIn each cell if DNA polymerase I is non-functional, how would it affect the leading strandarrow_forward
- Nonearrow_forwardMatch 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_forward
- Bacterial and eukaryotic chromosomes are very compact. Discuss theadvantages and disadvantages of a compact chromosomal structure.arrow_forwardDuring DNA replication, one of the new strands of DNA is synthesized continuously, while the other is synthesized as a number of separate fragments of DNA that are subsequently linked by DNA ligase. This is because O replication starts at many points on the chromosome RNA primers only anneal to one of the parental strands of DNA one of the parental strands is unwound slower than the other by helicase DNA polymerase III only synthesizes DNA in the 5' - 3' directionarrow_forwardEscherichia coli's chromosome has a replication origin called OriC. Draw a schematic diagram to show the specific DNA sequences that is essential for replication function scattering over a 245 base pair of Oric region.arrow_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
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