Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 10.1, Problem 4SB
Summary Introduction
To review:
The role of histone H1 in the structure of the eukaryotic chromosome.
Introduction:
The proteins which help in condensing the DNA (deoxyribonucleic acid) into chromatin in the nucleus are called histone proteins. These proteins are basic (or alkaline) in nature and are positively charged as they are mostly made up of lysine and arginine. Their positive nature strongly attracts the negatively charged DNA. This ionic interaction helps in the tight packaging of DNA around the histone proteins. The histone proteins play a major role in gene regulation. The histone proteins are of 5 types, namely H1, H2A, H2B, H3, and H4.
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Chapter 10 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 10.1 - What are the three interrelated systems that...Ch. 10.1 - Prob. 2SBCh. 10.1 - Prob. 3SBCh. 10.1 - Prob. 4SBCh. 10.2 - Compare the chromosome content of daughter cells...Ch. 10.2 - Prob. 2SBCh. 10.2 - Prob. 3SBCh. 10.3 - How does spindle formation differ in animals and...Ch. 10.3 - Prob. 2SBCh. 10.4 - Prob. 1SB
Ch. 10.4 - Prob. 2SBCh. 10.4 - What is an oncogene? How might an oncogene affect...Ch. 10.4 - Prob. 4SBCh. 10.5 - Prob. 1SBCh. 10.5 - Prob. 2SBCh. 10 - During the cell cycle, the DNA mass of a cell:...Ch. 10 - A tumor suppressor protein, p21, inhibits Cdk1....Ch. 10 - A major difference between hereditary information...Ch. 10 - The major microtubule organizing center of the...Ch. 10 - Prob. 5TYKCh. 10 - Which of the following statements about mitosis is...Ch. 10 - Prob. 7TYKCh. 10 - Which of the following statements about cell cycle...Ch. 10 - Which of the following is not a characteristic of...Ch. 10 - Which of the following does not accurately...Ch. 10 - In bacteria: a. several chromosomes undergo...Ch. 10 - Prob. 12TYKCh. 10 - Discuss Concepts A cell has 38 chromosomes. After...Ch. 10 - Prob. 14TYKCh. 10 - Prob. 15TYKCh. 10 - Apply Evolutionary Thinking The genes and proteins...Ch. 10 - Biologists have long been interested in the...Ch. 10 - Prob. 2ITD
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- How does a eukaryotic cell distinguish the end of a broken chromosome from the end of an intact linear chromosome?arrow_forwardDescribe the general organization of a eukaryotic chromosome. What structural role do scaffold associated regions (SARs) or matrix attachment regions (MARs) play? Where are genes primarily located relative to chromosome structure?arrow_forwardWhat are polytene chromosomes ? What is the role of polytene chromosomes ?arrow_forward
- How is the eukaryotic DNA organized into chromosome?arrow_forwardDescribe the basic structure of a nucleosome. What is the role of histone H1?arrow_forwardCertain organisms contain cells that possess polytene chromosomes. What are polytene chromosomes, where are they found, and what function do they serve?arrow_forward
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