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 10.1, Problem 1COMQ
A bacterial chromosome typically contains
a. a few thousand genes.
b. one origin of replication.
c. some repetitive sequences.
d. all of the above.
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Which process of DNA transfer in bacteria requires a virus?
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DNA gyrasea. promotes negative supercoiling.b. relaxes positive supercoils.c. cuts DNA strands as part of its function.d. does all of the above
The model that correctly describes the process of DNA replication is
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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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- The model that correctly describes the process of DNA replication is thea. conservative model.b. semiconservative model.c. dispersive model.d. Any of the above models describes the process correctly.arrow_forwardA form of genetic transfer that involves the uptake of a fragment of DNA from the environment is calleda. conjugation.b. transduction.c. transformation.d. all of the above.arrow_forwardThe complementarity of DNA strands is based on a. the chemical properties of a phosphodiester linkage. b. the binding of proteins to the DNA. c. the AT/GC rule. d. none of the above.arrow_forward
- Which of these is a polymer made of nucleotides? a. RNA polymerase b. CAS9 c. restriction enzyme d. mRNAarrow_forwardWhich mechanism requires the ability to distinguish between newly synthesized and template strands of DNA? a. Nucleotide selection b. DNA proofreading c. Mismatch repair d. All of the abovearrow_forwardWhich of the following is most relevant to the term "hybridization"? a) base pairing b) nuclease c) sequencing d) replicationarrow_forward
- In a DNA strand, a phosphate connects a 3′ carbon atom in onedeoxyribose toa. a 5′ carbon in an adjacent deoxyribose.b. a 3′ carbon in an adjacent deoxyribose.c. a base in an adjacent nucleotide.d. none of the above.arrow_forwardWhich of the following would be most likely to cause a mutation? A. the addition of nucleotides to the 3’ end of the growing strand B. the insertion of a mismatched nucleotide into a DNA strand C. the unwinding of the DNA strand D. the synthesis of short stretches of DNAarrow_forwardIn DNA replication, what is meant when we say it is “semi-conservative”? a. One new DNA molecule contains the parent strands and the other DNA molecule contains only new strands b. Both new DNA strands contain a parent strand and a template strand c. The new DNA molecules are exactly like the original strand d. Some of the genes are replicated, some aren’tarrow_forward
- Describe how plasmids differ from bacterial chromosomes.arrow_forwardA site in a chromosome where DNA replication begins is a. a promoter. b. an origin of replication. c. an operator. d. a replication fork.arrow_forwardGenetic information can be transferred horizontally from one bacterial cell to another cell of the "same generation" (versus daughter cells), leading to genetic recombination, by all of the following EXCEPT: A. Gene expression (transcription/translation/protein synthesis) B. Transformation C. Conjugation D. Transduction E. None of the other four answers (all are mechanisms of “horizontal transfer” genetic recombination)arrow_forward
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