BIO 1406/07 W/CONNECT/LM NEW >IC<
16th Edition
ISBN: 9781260075762
Author: Raven
Publisher: MCG CUSTOM
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Textbook Question
Chapter 10, Problem 3U
What is a nucleosome?
a. A region in the cell’s nucleus that contains euchromatin
b. A region of DNA wound around histone proteins
c. A region of a chromosome made up of multiple loops of chromatin
d. A 30-nm fiber found in chromatin
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Students have asked these similar questions
What is a nucleosome?
a. A region in the cell’s nucleus that contains euchromatin
b. A region of DNA wound around histone proteins
c. A region of a chromosome made up of multiple loops of chromatin
d. A 30-nm fiber found in chromatin
How many copies of the H2B histone would be found in chromatin containing 50 nucleosomes?
a. 5
b. 10
c. 50
d. 100
The first level of DNA organization in a eukaryotic cell is maintained by which molecule? a. cohesin b. condensin c. chromatin d. histone
Chapter 10 Solutions
BIO 1406/07 W/CONNECT/LM NEW >IC<
Ch. 10 - Binary fission in prokaryotes does not require the...Ch. 10 - Chromatin is composed of a. RNA and protein. b....Ch. 10 - What is a nucleosome? a. A region in the cells...Ch. 10 - What is the role of cohesin proteins in cell...Ch. 10 - The kinetochore is a structure that functions to...Ch. 10 - Separation of the sister chromatids occurs during...Ch. 10 - Why is cytokinesis an important part of cell...Ch. 10 - What steps in the cell cycle represent...Ch. 10 - Cyclin-dependent kinases (Cdks) are regulated by...Ch. 10 - Prob. 2A
Ch. 10 - Genetically, proto-oncogenes act in a dominant...Ch. 10 - The metaphase to anaphase transition involves a....Ch. 10 - The main difference between bacterial cell...Ch. 10 - In animal cells, cytokinesis is accomplished by a...Ch. 10 - Regulation of the cell cycle is very complex and...Ch. 10 - Review you knowledge of signaling pathways...Ch. 10 - Compare and contrast how mutations in cellular...
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- DNA that makes up Chromosomes is complexed with proteins and is called Chromatin. One of the most important proteins associated with DNA that helps to organize it in the nucleus is called: A. Euchromatin. B. Heterochromatin. C. Histones. D. Centromeres.arrow_forwardCompare and contrast the structure of DNA and RNA. During Prophase of Mitosis, chromosomes begin to condense and are fully condensed by the time the cell is in Metaphase of Mitosis. Explain how the chromatin organizes itself from the beginning of prophase to metaphase of mitosis.arrow_forwardThe DNA in a cell associates with proteins to form chromatin. What is a nucleosome?arrow_forward
- In nucleosome, the DNA is wrapped around a. histones b. ribosomes c. polymerase molecule d. a thymine dimerarrow_forwardContrast euchromatin and heterochromatin. Then explain how DNA can transition from one to the other. Use the terms histone, nucleosome, and acetylation.arrow_forwardIn eukaryotic chromosomes, DNA wraps around _________. a. histone proteins c. centromeres b. sister chromatids d. nucleosomesarrow_forward
- In mitosis, chromosomes separate by which specific mechanism? A. chromosomes sprout flagella and begin to swim towards the ends of the cell B. molecular motors in the kinetochore move the chromosome toward the centrioles C. centrioles attract the chromosomes by electromagnetic attraction D. centrioles begin to shorten microtubules by degrading themarrow_forwardDescribe the appearance and composition of chromatin and the structure of nucleosomes. Comment on the significance of histone proteins.arrow_forwardWhich of the following represents the order of increasingly higher levels of organization of chromatin? Select one: O a. looped domain, nucleosome, 30-nm chromatin fiber O b. 30-nm chromatin fiber, nucleosome, looped domain C. nucleosome, looped domain, 30-nm chromatin fiber O d. looped domain, 30-nm chromatin fiber, nucleosome nucleosome, 30-nm chromatin fiber, looped domain е.arrow_forward
- Construct a concept map with the following terms: Eukaryotic chromosome, euchromatin, heterochromatin, facultative heterochromatin, constitutive heterochromatin, chromatin, DNA, protein, histones, non-histone proteins, nucleosome, H1, H2A, H2B, H3, H4, octamer, linker DNAarrow_forwardDNA is a large molecule and is wrapped around proteins called: a. Histones O b. Ligase c. Polymerase O d. Chromatinarrow_forwardEvaluate whether the statements I and II are TRUE or FALSE. A. Only the first statement is true. Both statements are true. B. Only the second statement is true. D. Both statements are false. 1. Heterochromatin is typically gene-rich and composed of loosely packed DNA. II. Euchromatin contains sequences which can be readily transcribed. A.Only the first statement is true. B.Only the second statement is true. C. Both statements are true. D. Both statements are false. C.arrow_forward
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