Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 9.6, Problem 1TYK
A nucleosome is composed of
- 146 bp or 147 bp of DNA.
- an octamer of histone proteins.
- nuclear matrix proteins.
- both a and b.
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A nucleosome consists of (a) DNA and scaffolding proteins (b) scaffolding proteins and histones (c) DNA and histones (d) DNA, histones, and scaffolding proteins (e) histones only
In nucleosome, the DNA is wrapped around
a. histones
b. ribosomes
c. polymerase molecule
d. a thymine dimer
In a nucleosome, the DNA is wrapped around(A) histones.(B) ribosomes.(C) polymerase molecules.(D) a thymine dimer.
Chapter 9 Solutions
Principles of Biology
Ch. 9.1 - Look ahead to Figure 17.10. How does bacterial...Ch. 9.1 - Prob. 1TYKCh. 9.2 - Prob. 1CCCh. 9.2 - Prob. 2CCCh. 9.2 - Prob. 3CCCh. 9.2 - A nucleotide composed of deoxyribose, phosphate,...Ch. 9.2 - Prob. 2TYKCh. 9.2 - Prob. 3TYKCh. 9.3 - Prob. 1TYKCh. 9.3 - To determine the structure of DNA, Watson and...
Ch. 9.4 - Prob. 1CCCh. 9.4 - Prob. 1TYKCh. 9.4 - Prob. 2TYKCh. 9.5 - Prob. 1CCCh. 9.5 - Prob. 1TYKCh. 9.5 - Prob. 2TYKCh. 9.5 - Prob. 3TYKCh. 9.6 - Prob. 1CCCh. 9.6 - A nucleosome is composed of 146 bp or 147 bp of...Ch. 9.6 - After they have replicated and become compacted in...Ch. 9.6 - Prob. 1BCCh. 9.6 - Which of the following is the correct order for...Ch. 9 - What is/are the main component(s) of chromosomes?...Ch. 9 - Prob. 2TYCh. 9 - Prob. 3TYCh. 9 - Prob. 4TYCh. 9 - Of the following statements, which is correct when...Ch. 9 - Prob. 6TYCh. 9 - Prob. 7TYCh. 9 - Prob. 8TYCh. 9 - Prob. 9TYCh. 9 - The conversion of euchromatin into heterochromatin...Ch. 9 - What are the four criteria that the genetic...Ch. 9 - What are the key features of DNA that allow it to...Ch. 9 - PRINCIPLES A principle of bioloy is that structure...Ch. 9 - Prob. 1CBQCh. 9 - Prob. 2CBQ
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- Histone _______ is not part of the histone octamer, but binds to linker DNA and is responsible for higher-order chromatin structureA-H1B-H2AC-H4D-H3E-H2Barrow_forwardThe nuclear matrix composition: a. lamina, nucleosome b. cortex, lamina, c. nucleosome d. lamina, interchromatin networkarrow_forwardThe nucleosome core particle: a) contains about 145 based of DNA b) contains 6 histone proteins c) contains histone H1 d) none of the abovearrow_forward
- Describe how DNA is packaged using the words: DNA, Histone, Nucleosome, Condensed, and Chromosomearrow_forwardWhich one of the following statements about nucleosomes is false? a) The DNA double helix wraps around the nucleosome. b) The sequence of amino acid in a histone tail is altered during chromatin remodeling. c) A nucleosome is composed of 8 histone proteins; two copies of each type of histone. d) A large percent of the nucleosome is positively charged.arrow_forwardIn a nucleosome, what is the DNA wrapped around? A. mRNA B. Nucleolus protein. C. Ribosomes. D. Polymerase molecules. E. Histonesarrow_forward
- Define nucleosomes.arrow_forwardPut the following levels of chromosome organization in order from least complex (least packaged form) to most complex (most packaged form). DNA strand 30-nm fiber Heterochromatin Euchromatinarrow_forwardWhich of the following has beads on a string structure?a) Chromosomesb) Chromatinc) Nucleosomesd) Heterochromatinarrow_forward
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