Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 11, Problem 10TY
The conversion of euchromatin into heterochromatin involves
- a. the formation of more nucleosomes.
- b. the formation of less nucleosomes.
- c. a greater compaction of loop domains.
- d. a lesser compaction of loop domains.
- e. both a and c.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Which of the following statements is NOT true about chromatin architecture?
A. The histone tails on heterochromatin are deacetylated
B. Heterochromatin is heavily methylated
C. Euchromatin is more likely to contain genes that are expressed at that time
D. Euchromatin is heavily methylated
_____ is the combination of a seat, elation, another modifications to the histones that allow for changes in DNA winding and unwinding
a. Epigentics
b. Histone code
c. Heterochromatin
d. Post translational modifications
Euchromatin refers to regions of DNA that are loosely packed to increase the efficiency of transcription. Which of the following would you expect to find in a region of euchromatin?
A.
more thymines
B.
fewer thymines
C.
more histones
D.
fewer histones
Chapter 11 Solutions
Biology
Ch. 11.1 - Prob. 1CSCh. 11.1 - Prob. 1EQCh. 11.1 - Prob. 2EQCh. 11.1 - CoreSKILL In the experiment of Avery, MacLeod,...Ch. 11.2 - Prob. 1CCCh. 11.2 - Prob. 2CCCh. 11.2 - Core Skill: Modeling The goal of this modeling...Ch. 11.2 - Prob. 2CSCh. 11.3 - If this experiment was conducted for four rounds...Ch. 11.4 - Molecular Mechanism of DNA Replication Concept...
Ch. 11.4 - Prob. 2CCCh. 11.4 - Prob. 3CCCh. 11.4 - Prob. 4CCCh. 11.5 - Prob. 1CCCh. 11.5 - Prob. 1CSCh. 11 - Why did researchers initially believe that the...Ch. 11 - Prob. 2TYCh. 11 - Which of the following equations is accurate...Ch. 11 - Prob. 4TYCh. 11 - Which of the following statements about the...Ch. 11 - Meselson and Stahl were able to demonstrate...Ch. 11 - During replication of a DNA molecule, the daughter...Ch. 11 - Prob. 8TYCh. 11 - A nucleosome is a. a dark-staining body composed...Ch. 11 - The conversion of euchromatin into heterochromatin...Ch. 11 - What are the four key criteria that the genetic...Ch. 11 - A double-stranded DNA molecule contains 560...Ch. 11 - Prob. 3CQCh. 11 - Prob. 1COQCh. 11 - CoreSKILL How might you provide evidence that DNA...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Describe constitutive heterochromatin and facultative heterochromatin. Based upon this information, what would you predict would happen during the embryonic development of an organism if some regions of facultative heterochromatin were changed to constitutive regions? Answer in detail.arrow_forwardWhich of these is NOT true of nucleosomes? A. Some post-translational modifications to histone proteins serve as binding sites for transcription factors. B. The position of nucleosomes is fixed on the genome and can not be changed. C. The position and post-translational modifications of histones can be inherited through mitosis. D. The binding between DNA and histone proteins can be disrupted by post-translational modifications.arrow_forwardChromatin is differentiated into heterochromatin and euchromatin regions, on the basis of staining behaviour in a typical nucleus. Which of the given statements is/are correct w.r.t. heterochromatin? (A) Lightly stained region (B) Chromatin is densely packed (C) Transcriptionally it is inactive (D) Darkly stained region 1. (A) only 2. (A) and (C) only 3. (A), (B) and (C) 4. (B), (C) and (D)arrow_forward
- (a)Discuss or explain the consequences for a cell if the chromatin could not be remodeled. (b) Does the action of the telemorase enzyme contradict the central dogma of molecular biology? why or why not?arrow_forwardWhich of the following is not a reason why proteins were thought to be the cell's carrier of genetic information? Group of answer choices (A) The genetic information was known to be contained in chromosomes (which consist of DNA and proteins). (B) Protein synthesis only requires proteins. (C) DNA was too simple (D) All of the above support the idea that proteins could be the genetic information.arrow_forwardA chromatin-remodeling complex may a. change the locations of nucleosomes. b. evict nucleosomes from DNA. c. replace standard histones with histone variants. d. do 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_forwardWhich of the following is associated with active chromatin? Check all that apply. A. Centromeres B. heterochromatin C. histone acetylation D. Polytene puffs E. metaphase chromasomes F. transcription of machineryarrow_forwardThe nucleus a) has a single membrane and compartmentalizes the genetic material b) has a double membrane joined by nuclear pores, is continuous with the endoplasmic reticulum membrane, and compartmentalizes the nuclear genetic material c) has a double membrane joined by nuclear pores, is continuous with the smooth endoplasmic reticulum membrane only, and compartmentalizes the nuclear genetic material d) None of these are accuratearrow_forward
- 1. What does heterochromatin mean? a. The genes are expressed and it is involved with gene activation. b. The genes are expressed and it is involved with gene silencing. c. The genes are not expressed and it is involved with gene silencing. d. The genes are not expressed and it is involved with gene activationarrow_forwardNitrogen bases pair with bases that are _____. a. Available b. Identical c. Complimentary d. None of the above Which of the following is not present in the abdominal cavity? a. Spleen b. Stomach c. Rectum d. Liver Based on the locations of centromeres, what type describes a centromere locates closely to one of the ends? a. Telocentric b. Acrocentric c. Submetacentric d. Metacentricarrow_forwardExplain the Conservation of Chromatin Structure.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSON
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Anatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education
The Cell Cycle and its Regulation; Author: Professor Dave Explains;https://www.youtube.com/watch?v=eqJqhA8HSJ0;License: Standard YouTube License, CC-BY
Cell Division - Mitosis and Meiosis - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=w7vp_uRA8kw;License: Standard YouTube License, CC-BY