Genetics: Analysis and Principles
5th Edition
ISBN: 9780073525341
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 10.3, Problem 1COMQ
The chromosomes of eukaryotes typically contain
a. a few hundred to several thousand different genes.
b. multiple origins of replication.
c. a centromere.
d. telomeres at their ends.
e. all of the above.
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Students have asked these similar questions
Eukaryotic chromosomes are composed ofa. DNA. c. histones.b. proteins. d. All of the above
The chromosomes of most bacteria are comprised of
a. double-stranded circular molecules.
b. double-stranded linear molecules.
c. single-stranded circular molecules.
d. single-stranded linear molecules.
Many chromosomes have structures called telomeres at each end. Mark all the TRUE statements about telomeres below.
Mark all that apply.
Select one or more:
a.
Telomeres protect the ends of the chromosomes
b.
Telomeres hold sister chromatids together after replication
c.
Human telomeres consist of a specific base sequence (TTAGGG) repeated about 2500 times
d.
Telomeres are present in all prokaryotes and eukaryotes
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 - As described in Chapter 9, one bp of DNA is...Ch. 10 - Why is DNA supercoiling called supercoiling rather...Ch. 10 - Prob. 6CONQCh. 10 - Prob. 7CONQCh. 10 - Prob. 8CONQCh. 10 - Prob. 9CONQCh. 10 - Prob. 10CONQCh. 10 - 10. What is the function of a centromere? At what...Ch. 10 - Prob. 12CONQCh. 10 - 12. Describe the structures of a nucleosome and a...Ch. 10 - Beginning with the G1 phase of the cell cycle,...Ch. 10 - If you assume the average length of linker DNA is...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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- A. Instead of having a linear chromosome, bacteria have a circular chromosome. B. Organisms living in fresh water environment need to use to remove water out of the cell so they don't burst. C. is covered in a silica test which is the main component of making glass. D. Name the structure labeled as "d".arrow_forwardThe regions of chromosomes that form heterochromatin a. contain highly expressed genes.b. contain few genes.c. are associated with the nuclear envelope.d. are abundant inarrow_forwardA bacterial chromosome typically containsa. a few thousand genes.b. one origin of replication.c. some repetitive sequences.d. all of the above.arrow_forward
- Which of the following statements about histones is true?a. They are proteins whose sequence is highly conserved in all eukaryotes.b. They are the building blocks of nucleosomes.c. a and b are correct.d. None of the above are correct.arrow_forwardIn a nucleosome, what is the DNA wrapped around? A. mRNA B. Nucleolus protein. C. Ribosomes. D. Polymerase molecules. E. Histonesarrow_forwardThe form of DNA that contains genes that are actively beingtranscribed is calleda. histones.b. telomeres.c. heterochromatin.d. euchromatin.arrow_forward
- A. Two identical that builds copies of DNA microtubule "highways" to guide DNA B. "staple" that holds DNA copies together C. DNA that is same length and has same instructions; one from mother and one from father A. chromatin B. spindle fibers v Structure labeled A in the picture C. homologous chromosomes v Structure labeled B in the picture D. centromere v Structure labeled C in the picture E. centrioles v Structure labeled D in the picture F. daughter chromosomes G. sister chromatids Stitch It!arrow_forwardDNA that makes up Chromosomes is complexed with proteins and is called Chromatin. One of the most important proteins associated with DNA that helps to organize it in the nucleus is called: A. Euchromatin. B. Heterochromatin. C. Histones. D. Centromeres.arrow_forwardWhich of the following statements is true? a. Linear chromosome structures observed in a karyotype are actually pairs of sister chromatids. b. Prokaryotic and eukaryotic cells divide through binary fission. c. Because chromosomes of prokaryotes are smaller than eukaryotic chromosomes, prokaryotic nuclei are also smaller. d. The genetic information found in a eukaryotic chromosome makes up the cell's entire genome.arrow_forward
- Which of the following is FALSE about DNA replication in eukaryotes? a. It is catalyzed entirely by one DNA polymerase. b. Chromatin modifications by kinases are required. c. Polymerase switching occurs. d. It starts from multiple origins on each chromosome.arrow_forwardNucleosomes area. composed of DNA and protein.b. necessary to condense DNA/chromosomes.c. essential for the correct regulation of eukaryoticgene expression.d. All of the above are truearrow_forwardWe have looked at the structure of DNA in cells. There are some differences. Based on what we have learned, which of the following is TRUE? a. Mitochondrial chromosomal DNA is similar in structure to bacterial chromosomes. b. Prokaryotic chromosomes contain kinetochores whereas eukaryotic chromosomes have centromeres. c. All the chromosomes found in eukaryotes are linear while prokaryotic chromosomes are circular. d. Bacterial chromosomes have multiple origins of replication, thus allowing for short generation times, whereas eukaryotic chromosomes are replicated from a single origin. e. All the answers presented are TRUE. f. Telomeres are found on all chromosomes, both prokaryotic and eukaryotic, however only eukaryotic telomers shorten over time.arrow_forward
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