Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 10.2, Problem 1COMQ
Mechanisms that make the bacterial chromosome more compact include
a. the formation of micro- and macrodomains.
b. DNA supercoiling.
c. crossing over.
d. both a and b.
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Chapter 10 Solutions
Genetics: Analysis and Principles
Ch. 10.1 - 1. A bacterial chromosome typically contains
a. a...Ch. 10.2 - Mechanisms that make the bacterial chromosome more...Ch. 10.2 - 2. Negative supercoiling may enhance activities...Ch. 10.2 - 3. DNA gyrase
a. promotes negative supercoiling....Ch. 10.3 - 1. The chromosomes of eukaryotes typically contain...Ch. 10.4 - Which of the following is an example of a...Ch. 10.5 - What are the components of a single nucleosome? a....Ch. 10.5 - 2. In Noll’s experiment to test the...Ch. 10.5 - Prob. 3COMQCh. 10.5 - Prob. 4COMQ
Ch. 10.6 - Prob. 1COMQCh. 10.6 - 2. The role of cohesin is to
a. make chromosomes...Ch. 10 - Prob. 1CONQCh. 10 - Prob. 2CONQCh. 10 - 3. Describe the mechanisms by which bacterial DNA...Ch. 10 - Why is DNA supercoiling called supercoiling rather...Ch. 10 - Prob. 5CONQCh. 10 - Prob. 6CONQCh. 10 - Prob. 7CONQCh. 10 - Prob. 8CONQCh. 10 - Prob. 9CONQCh. 10 - 10. What is the function of a centromere? At what...Ch. 10 - Prob. 11CONQCh. 10 - 12. Describe the structures of a nucleosome and a...Ch. 10 - Beginning with the G1 phase of the cell cycle,...Ch. 10 - Draw a picture depicting the binding between the...Ch. 10 - 15. Compare heterochromatin and euchromatin. What...Ch. 10 - 16. Compare the structure and cell localization of...Ch. 10 - 17. What types of genetic activities occur during...Ch. 10 - Lets assume the linker region of DNA averages 54bp...Ch. 10 - 19. In Figure 10.12, what are we looking at in...Ch. 10 - 20. What are the roles of the core histone...Ch. 10 - A typical eukaryotic chromosome found in humans...Ch. 10 - Which of the following terms should not be used to...Ch. 10 - Discuss the differences between the compaction...Ch. 10 - 24. What is an SMC complex? Describe two...Ch. 10 - Two circular DNA molecules, which we can call...Ch. 10 - 2. Let’s suppose you have isolated DNA from a cell...Ch. 10 - 3. We seem to know more about the structure of...Ch. 10 - In Nolls experiment of Figure 10.11, explain where...Ch. 10 - When chromatin is treated with a salt solution of...Ch. 10 - 6. Let’s suppose you have isolated chromatin from...Ch. 10 - If you were given a sample of chromosomal DNA and...Ch. 10 - Consider how histone proteins bind to DNA and then...Ch. 10 - In Chapter 23, the technique of fluorescence in...Ch. 10 - Bacterial and eukaryotic chromosomes are very...Ch. 10 - The prevalence of highly repetitive sequences...Ch. 10 - Discuss and make a list of the similarities and...
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- Which of the following enzymes can decatenate replicated bacterial chromosomes? please explain the answer a.Tus b.MutH c.DNA gyrase d.primase e.topoisomerase Iarrow_forward1. How does site specific recombination differ from homologous recombination? a. It requires a small and defined sequence similarity between two DNA segments that will recombine. b. It requires a large sequence similarity between two DNA segments that will recombine. c. It involves exonucleases that will recognize the two DNA segments that will recombine. d. It involves endonucleases that will recognize the two DNA segments that will recombine. 2. What will be the consequence if the exonuclease domain of DNA polymerase III is mutated and rendered nonfunctional? a. The polymerase can still elongate the DNA template. b. Mutations due to replication errors will increase. c. There will be no synthesis of the lagging strand d. The primers in the lagging strand will not be removed. 3. Which of the following statements best explains the mechanism for DNA replication? a. It is reductive because half the total DNA present is copied. b. It is conservative because one resulting molecule…arrow_forwardTransposition is a process in which a discrete DNA entity can move between DNA sites that lack homology using a self-encoded protein called a: a. kinase b. transposase c. mobilase d. recombinasearrow_forward
- Information obtained by microscopic analysis of stained chromosomes is used in: a. radiation hybrid mapping b. sequence mapping c. RFLP mapping d. cytogenetic mappingarrow_forwardA vector that can carry a large fragment of chromosomal DNA is aa. YAC.b. BAC.c. PAC.d. any of the above.arrow_forwardWhich of the following is not a key property of hereditarymaterial?a. It must be capable of being copied accurately.b. It must encode the information necessary to formproteins and complex structures.c. It must occasionally mutate.d. It must be able to adapt itself to each of the body’stissuesarrow_forward
- The form of DNA that contains genes that are actively beingtranscribed is calleda. histones.b. telomeres.c. heterochromatin.d. euchromatin.arrow_forwardA key difference between the original Holliday model and the double-strand break model is the way thata. the DNA strands are initially broken.b. branch migration occurs.c. a heteroduplex is formed.d. resolution occurs.arrow_forwardBacteria are able to successfully transcribe and translate humangenes becausea. both bacteria and humans contain plasmid vectors.b. bacteria can replicate their DNA, but humans cannot.c. human and bacterial ribosomes are vastly different.d. the genetic code is nearly universal.arrow_forward
- Which is the largest among the followings? a. Nucleotide b. Nitrogenous base c. Phosphate d. Carbon Based on the locations of centromeres, what type describes a centromere locates slightly away from the mid-point so that the two arms are unequal? a. Telocentric b. Acrocentric c. Submetacentric d. Metacentricarrow_forwardHow would the process of the double holiday junction model differ if identical DNA molecules were used in place of homologous ones? A.) Crossing over would NEVER be observed B.) No change the entire process would be the same C.) Gene conversion would never occur D.) Crossing over would ALWAYS be observed do not copy from othersarrow_forwardWhich of the following characteristics is not true of a plasmid?a. It is a circular piece of DNA.b. It is required for normal cell function.c. It is found in bacteria.d. It can be transferred from cell to cell.arrow_forward
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