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94. Which of the following is TRUE of DNA polymerases of eukaryotic cells? a. The same DNA polymerase replicates mitochondrial, chloroplast, and nuclear DNA. b. There are only two different DNA polymerases that function in the process of replication. c. Some DNA polymerases have the ability to function in DNA repair mechanisms. d. All eukaryotic DNA polymerases have 3' 5' exonuclease activity. e. Leading and lagging strand synthesis are performed by the same type of DNA polymerase. 95. You are studying a small eukaryotic gene of about 2000 bp in length. Estimate how many copies of histone H1 you would find along this region of the chromosome. a. 10 b. 20 c. 40 d. 80 e. 100 96. The human Y chromosome is about 50 million base pairs long. About how many nucleosomes would you expect to find associated with this chromosome? a. 2,500 b. 250,000 c. 50,000 d. 1,000,000 e. 50,000,000 97. What would be a likely result of expressing telomerase in somatic cells? a. Premature aging d. Immortality of gametes b. Cancer e. Early termination of replication c. Lower rates of replication 98. Which of the following is NOT true of heterochromatin? a. Remains in a highly condensed state throughout the cell cycle b. Makes up most chromosomal material and is where most transcription occurs c. Exists at the centromeres and telomeres d. Occurs along one entire X chromosome in female mammals when this X becomes inactivated e. Is characterized by the absence of crossing over and replication late in the S phase 99. How does histone acetylation affect chromatin? a. It loosens the chromatin and allows increased transcription. b. It allows DNA to become resistant to damage. c. It helps the histones have a greater affinity for DNA. d. It inhibits DNA replication by making it more difficult to separate the DNA strands. e. It causes the chromatin to become more condensed in preparation for metaphase. 100. Where would you expect to find the variant histone CenH3? a. Telomere e. Centromere b. Euchromatin c. Chloroplast d. Mitochondria

94. Which of the following is TRUE of DNA polymerases of eukaryotic cells? a. The same DNA polymerase replicates mitochondrial, chloroplast, and nuclear DNA. b. There are only two different DNA polymerases that function in the process of replication. c. Some DNA polymerases have the ability to function in DNA repair mechanisms. d. All eukaryotic DNA polymerases have 3' 5' exonuclease activity. e. Leading and lagging strand synthesis are performed by the same type of DNA polymerase. 95. You are studying a small eukaryotic gene of about 2000 bp in length. Estimate how many copies of histone H1 you would find along this region of the chromosome. a. 10 b. 20 c. 40 d. 80 e. 100 96. The human Y chromosome is about 50 million base pairs long. About how many nucleosomes would you expect to find associated with this chromosome? a. 2,500 b. 250,000 c. 50,000 d. 1,000,000 e. 50,000,000 97. What would be a likely result of expressing telomerase in somatic cells? a. Premature aging d. Immortality of gametes b. Cancer e. Early termination of replication c. Lower rates of replication 98. Which of the following is NOT true of heterochromatin? a. Remains in a highly condensed state throughout the cell cycle b. Makes up most chromosomal material and is where most transcription occurs c. Exists at the centromeres and telomeres d. Occurs along one entire X chromosome in female mammals when this X becomes inactivated e. Is characterized by the absence of crossing over and replication late in the S phase 99. How does histone acetylation affect chromatin? a. It loosens the chromatin and allows increased transcription. b. It allows DNA to become resistant to damage. c. It helps the histones have a greater affinity for DNA. d. It inhibits DNA replication by making it more difficult to separate the DNA strands. e. It causes the chromatin to become more condensed in preparation for metaphase. 100. Where would you expect to find the variant histone CenH3? a. Telomere e. Centromere b. Euchromatin c. Chloroplast d. Mitochondria

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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94. Which of the following is TRUE of DNA polymerases of eukaryotic cells? a. The same DNA polymerase replicates mitochondrial, chloroplast, and nuclear DNA. b. There are only two different DNA polymerases that function in the process of replication. c. Some DNA polymerases have the ability to function in DNA repair mechanisms. d. All eukaryotic DNA polymerases have 3'5' exonuclease activity. e. Leading and lagging strand synthesis are performed by the same type of DNA polymerase. 95. You are studying a small eukaryotic gene of about 2000 bp in length. Estimate how many copies of histone H1 you would find along this region of the chromosome. a. 10 b. 20 c. 40 e. 100 d. 80 96. The human Y chromosome is about 50 million base pairs long. About how many nucleosomes would you expect to find associated with this chromosome? a. 2,500 b. 250,000 c. 50,000 d. 1,000,000 e. 50,000,000 97. What would be a likely result of expressing telomerase in somatic cells? a. Premature aging d. Immortality of gametes b. Cancer e. Early termination of replication c. Lower rates of replication 98. Which of the following is NOT true of heterochromatin? a. Remains in a highly condensed state throughout the cell cycle b. Makes up most chromosomal material and is where most transcription occurs c. Exists at the centromeres and telomeres d. Occurs along one entire X chromosome in female mammals when this X becomes inactivated e. Is characterized by the absence of crossing over and replication late in the S phase 99. How does histone acetylation affect chromatin? a. It loosens the chromatin and allows increased transcription. b. It allows DNA to become resistant to damage. c. It helps the histones have a greater affinity for DNA. d. It inhibits DNA replication by making it more difficult to separate the DNA strands. e. It causes the chromatin to become more condensed in preparation for metaphase. 100. Where would you expect to find the variant histone CenH3? a. Telomere e. Centromere b. Euchromatin c. Chloroplast d. Mitochondria
Transcribed Image Text:94. Which of the following is TRUE of DNA polymerases of eukaryotic cells? a. The same DNA polymerase replicates mitochondrial, chloroplast, and nuclear DNA. b. There are only two different DNA polymerases that function in the process of replication. c. Some DNA polymerases have the ability to function in DNA repair mechanisms. d. All eukaryotic DNA polymerases have 3'5' exonuclease activity. e. Leading and lagging strand synthesis are performed by the same type of DNA polymerase. 95. You are studying a small eukaryotic gene of about 2000 bp in length. Estimate how many copies of histone H1 you would find along this region of the chromosome. a. 10 b. 20 c. 40 e. 100 d. 80 96. The human Y chromosome is about 50 million base pairs long. About how many nucleosomes would you expect to find associated with this chromosome? a. 2,500 b. 250,000 c. 50,000 d. 1,000,000 e. 50,000,000 97. What would be a likely result of expressing telomerase in somatic cells? a. Premature aging d. Immortality of gametes b. Cancer e. Early termination of replication c. Lower rates of replication 98. Which of the following is NOT true of heterochromatin? a. Remains in a highly condensed state throughout the cell cycle b. Makes up most chromosomal material and is where most transcription occurs c. Exists at the centromeres and telomeres d. Occurs along one entire X chromosome in female mammals when this X becomes inactivated e. Is characterized by the absence of crossing over and replication late in the S phase 99. How does histone acetylation affect chromatin? a. It loosens the chromatin and allows increased transcription. b. It allows DNA to become resistant to damage. c. It helps the histones have a greater affinity for DNA. d. It inhibits DNA replication by making it more difficult to separate the DNA strands. e. It causes the chromatin to become more condensed in preparation for metaphase. 100. Where would you expect to find the variant histone CenH3? a. Telomere e. Centromere b. Euchromatin c. Chloroplast d. Mitochondria
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