BIOLOGY(LL)-W/ACCESS CODE >CUSTOM<
12th Edition
ISBN: 9781264058167
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
26. What is chromatin?
A. DNA and lipids
B. RNA and lipids
CDNA and protein
D. RNA and protein
27. Which of the following is true?
A. Peroxisomes contain catalase, which lowers the activation energy
B. Peroxisomes contain catalase, which raise the activation energy
C. Smooth endoplasmic reticulum contain catalase, which lowers the activation ener
D. Smooth endoplasmic reticulum contain catalase, which raises the activation energ
28. Which of the following is true about saturated fatty acids?
A. They do not contain double bonds
B. They do contain have double bonds
29. A steroid is classified as a
A. Carbohydrate
B. Lipid
C. Protein
D. Nucleic acid
In a nucleosome, what is the DNA wrapped around?
A. mRNA
B. Nucleolus protein.
C. Ribosomes.
D. Polymerase molecules.
E. Histones
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.
Chapter 10 Solutions
BIOLOGY(LL)-W/ACCESS CODE >CUSTOM<
Ch. 10.1 - Prob. 1LOCh. 10.2 - Prob. 1LOCh. 10.2 - Distinguish between homologues and sister...Ch. 10.2 - Prob. 3LOCh. 10.3 - Describe the eukaryotic cell cycle.Ch. 10.4 - Prob. 1LOCh. 10.4 - Prob. 2LOCh. 10.5 - Describe the phases of mitosis.Ch. 10.5 - Explain the importance of metaphase.Ch. 10.5 - Compare cytokinesis in plants and animals.
Ch. 10.6 - Prob. 1LOCh. 10.6 - Prob. 2LOCh. 10.7 - Prob. 1LOCh. 10.7 - Prob. 2LOCh. 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. 2ACh. 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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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
- The DNA in a cell associates with proteins to form chromatin. What is a nucleosome?arrow_forwardDescribe the appearance and composition of chromatin and the structure of nucleosomes. Comment on the significance of histone proteins.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_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_forwardConstruct 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_forward
- Histones form more accessible chromatin because of Select one: a. Reduced electrostatic attraction between the histone and the negatively charged DNA backbone b. Increased electrostatic attraction between the histone and the negatively charged DNA backbone c. Reduced covalent bonding between the histone and the negatively charged DNA backbone d. Increased covalent bonding between the histone and the negatively charged DNA backbonearrow_forwardChoose the answerarrow_forwardWhat is a main difference between onion root tip (plant cell) mitosis and whitefish blastula (animal cell) mitosis? A. The DNA is animal cells is inside of a nucleus but there is no nucleus in plant cells. B. A cleavage furrow is not formed in plant cells due to the rigid cell wall. C. Plant cells do not have DNA and animal cells do. D. Plant cells have undergo prophase where they condense their chromosomes but animal cells skip this step.arrow_forward
- What is the difference between heterochromatin and euchromatin in terms of: A. Gene expression B. Dye staining C. Nuclease sensitivity D. Level of acetylation E. Chromosome territory locationarrow_forwardDNA plus associated proteins equal? a. chromatin b. chromosome c. chromatid d. nucleosomearrow_forwardThe interphase is the part of the eukaryotic cell cycle that is most transcriptionally active. Gene regulation during this phase involves changes in the chromatin. a.What is chromatin b.How can the chromatin structure be modiferied give ways and explainarrow_forward
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