Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433776
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Chapter 13, Problem 5TYU
Summary Introduction
Introduction:
The nucleosome complex consists of the octamer of histone proteins wrapped around DNA. It is made up of basic amino acids like lysine and arginine. This complex helps in the regulation of processes like transcription in the cell. The core complex consists of histones H1 and H5, histones H2A, histone H2B, H3 and H4.
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In nucleosome, the DNA is wrapped around
a. histones
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The nuclear matrix composition:
a. lamina, nucleosome
b. cortex, lamina,
c. nucleosome
d. lamina, interchromatin network
The structural unit of the eukaryotic genome is called a(n): a. nucleosome b. histone c. chromatin d. exon
Chapter 13 Solutions
Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
Ch. 13.1 - Given a polynucleotide sequence such as GAATTC,...Ch. 13.1 - Prob. 2CCCh. 13.2 - What role does base pairing play in the...Ch. 13.2 - Make a table listing the functions of seven...Ch. 13.2 - MAKE CONNECTIONS What is the relationship between...Ch. 13.3 - Describe the structure of a nucleosome, the basic...Ch. 13.3 - What two properties, one structural and one...Ch. 13.4 - Prob. 1CCCh. 13.4 - DRAW IT One strand of a DNA molecule has the...Ch. 13.4 - Describe the role of complementary base pairing...
Ch. 13 - In his work with pneumonia-causing bacteria and...Ch. 13 - What is the basis for the difference in how the...Ch. 13 - In analyzing the number of different bases in a...Ch. 13 - The elongation of the leading strand during DNA...Ch. 13 - Prob. 5TYUCh. 13 - Prob. 6TYUCh. 13 - Prob. 7TYUCh. 13 - Prob. 8TYUCh. 13 - Prob. 9TYUCh. 13 - MAKE CONNECTIONS Although the proteins that cause...Ch. 13 - Prob. 12TYUCh. 13 - FOCUS ON EVOLUTION Some bacteria may be able to...Ch. 13 - FOCUS ON ORGANIZATION The continuity of life is...
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- The form of DNA that contains genes that are actively beingtranscribed is calleda. histones.b. telomeres.c. heterochromatin.d. euchromatin.arrow_forwardSpecific amino acids attached to molecules of tRNA, while antocodons align with codons of mRNA describes, in part a.replication b.transcription c.translation d.recombinant DNA formation e.cellular activationarrow_forwardThe anticodons are located in a.tRNA. b.rRNA. c.mRNA. d.ribosomes. e.endoplasmic reticulum.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_forwardWhat 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_forwardWhich of the following statements about the spliceosome is false? a. A spliceosome splices pre-mRNA molecules. b. A spliceosome removes exons from RNA molecules. c. A spliceosome is composed of snRNPs. d. A spliceosome recognizes the exon-intron boundaries and the branch site.arrow_forward
- Draw a nucleosome, indicating the positions of DNA andproteins.arrow_forwardIndicate the phase of protein synthesis during which each of the following processes occurs: a. A ribosomal subunit binds to a messenger RNA. b. The polypeptide is actually synthesized. c. The ribosome moves along the codon sequence. d. The ribosome dissociates into its subunits.arrow_forwardWhich of the following BEST describes the characteristics and function of siRNA? A. a short strand of RNA that can complement and inactivate a sequence of mRNA B. a short strand of RNA that can act as a transcription factor to initiate transcription C. a strand of DNA that can bind to and inactivate an mRNA sequence D. a tRNA that is not able to attach to a ribosome and therefore inhibits the process of translationarrow_forward
- All of the following will move from the inside of the nucleus to the cytoplasm through a nuclear pore EXCEPT: A. rRNA B. mature mRNA C. Small ribosome subunits D. Chromosomesarrow_forwardAfter transcription, the molecule that is formed is a.complementary to part of one strand of DNA. b.complementary to both strands of DNA. c.double-stranded and inside the nucleus. d.identical to an entire single strand of DNA.arrow_forwardWhich of the following statements are NOT true? A. Replication is the process of making DNA and takes place in the nucleus of prokaryotic cells. B. Translation produces a polypeptide that may require additional processing to become a functional protein C. Transcription starts at the promoter of eukaryotic cells and scans until reaches the start codon. D. Splicing results in exons being put together and introns being removedarrow_forward
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