Genetics: From Genes to Genomes
6th Edition
ISBN: 9781259700903
Author: Leland Hartwell Dr., Michael L. Goldberg Professor Dr., Janice Fischer, Leroy Hood Dr.
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 12, Problem 2P
Many proteins other than histones are found associated with chromosomes. What roles do these nonhistone proteins play? Why do chromosomes have more different types of nonhistone than histone proteins?
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Many proteins other than histones are found associated with chromosomes. What roles do these nonhistone proteins play?
Why do chromosomes have moredifferent types of nonhistone than histone proteins?
All of the following statements regarding nucleosomes are true EXCEPT
A
each bead-like structure contains 8 molecules of histones H1, H2A, H2B, H3 and H4
the bead like structures are made up of core histones wrapped around by the DNA strands
the histone proteins in the nucleosomes contain positively charged amino acids that interact with the
negatively charged DNA
D
the bead like structures are linked to each other by the DNA chain
Chapter 12 Solutions
Genetics: From Genes to Genomes
Ch. 12 - For each of the terms in the left column, choose...Ch. 12 - Many proteins other than histones are found...Ch. 12 - What difference exists between the compaction of...Ch. 12 - What is the role of the core histones in...Ch. 12 - a. About how many molecules of histone H2A would...Ch. 12 - The enzyme micrococcal nuclease can cleave...Ch. 12 - a. What letters are used to represent the short...Ch. 12 - About 2000 G bands are visible in a...Ch. 12 - Suppose you performed a fluorescence in situ...Ch. 12 - Which of the following would be suggested by a...
Ch. 12 - For each of the following pairs of chromatin...Ch. 12 - a. Drosophila b. Humans Give examples of...Ch. 12 - One histone modification that is seen consistently...Ch. 12 - Recently, scientists constructed a transgene that...Ch. 12 - Drosophila geneticists have isolated many...Ch. 12 - On the following figures, genes A and B are on the...Ch. 12 - Prob. 17PCh. 12 - The first page of this chapter displays photos of...Ch. 12 - The human genome contains about 3 billion base...Ch. 12 - The mitotic cell divisions in the early embryo of...Ch. 12 - In an experiment published in the journal Cell in...Ch. 12 - a. What DNA sequences are found at the telomeres...Ch. 12 - Prob. 23PCh. 12 - a. In a fluorescent in situ hybridization FISH...Ch. 12 - If you are comparing the two telomeres in each...Ch. 12 - a. What DNA sequences are commonly found at human...Ch. 12 - On the graphs presented in Problem 21, no data is...Ch. 12 - Prob. 29PCh. 12 - Prob. 30PCh. 12 - In the 1920s, Barbara McClintock, later a Nobel...Ch. 12 - Give at least one example of a chromosomal...Ch. 12 - Cornelia de Lange syndrome CdLS is a rare human...Ch. 12 - a. Give at least three examples of types of...Ch. 12 - A number of yeast-derived elements were added to...Ch. 12 - Prob. 36PCh. 12 - The completely synthetic yeast chromosome Syn III...
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
- In eukaryotic cells, the DNA is tightly packed in the form of chromatin. His- tones are positively charged proteins. Negatively charged DNA wraps tightly around these proteins to form nucleosomes. Additionally, there are other mechanisms for the compaction of chromatin. (a) Which histone(s) are critical for higher-order chromatin structure? (b) What are the non-histone proteins responsible for structural maintenance of chromosomes? (c) To initiate transcription, compact DNA must partially unwind. Explain the role of histones in this process. (d) Micrococcal nuclease can cleaves DNA at sites where it can access DNA without any specificity of binding to a particular sequence. If chromatin is digested with this nuclease, even for longer periods, a uniform length of 146 bp DNA fragments will be formed. Explain.arrow_forwardYou discover a histone variant that has more positive charge than conventional histone proteins. What effect do you predict this histone variant would have when it is inserted into chromatin? A decrease in the strength of histone-DNA interaction, making chromatin less condensed and increasing gene expression An increase in the strength of histone-DNA interaction, making chromatin less condensed and decreasing gene expression An increase in the strength of histone-DNA interaction, making chromatin more condensed and decreasing gene expression O A decrease in the strength of histone-DNA interaction, making chromatin less condensed and decreasing gene expressionarrow_forwardWhat are non-histone chromosomal proteins?arrow_forward
- How many copies of each type of core histone would it take to wrap the entire human genome into nucleosomes? How has evolution solved the problem of producing such a large number of proteins in a relatively short period of time?arrow_forwardDescribe the packaging of chromosomal DNA by histones with diagrammatic representations. Name the various histone modifications and describe any two among them.arrow_forwardHow does histone acetylation change chromatin structure? Group of answer choices 1. Histones lose their positive charge so the negatively charged DNA is more tightly packed 2. Histones lose their positive charge so the negatively charged DNA is less tightly packed 3. Histones lose their negative charge so the positively charged DNA is more tightly packed 4. Histones lose their negative charge so the positively charged DNA is less tightly packedarrow_forward
- Name the 5 types of histones, Which form the nucleosome core and which histone holds the nucleosome together?arrow_forwardWhich of the following statements about nucleosomes is NOT true? DNA is on the outside and is wrapped around the histone octamer DNA is inside the nucleosome core, surrounded by a histone octamer. Histone H1 is associated with the chromatosome. Histones H2A, H2B, H3, and H4 are the core histones.arrow_forwardWhat is the process of DNA, RNA, and proteins (in that order) and what is the function of them? Why is DNA produced with Histones?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
Biomolecules - Protein - Amino acids; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=ySNVPDHJ0ek;License: Standard YouTube License, CC-BY