Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Chapter 13.3, Problem 1CC
Describe the structure of a nucleosome, the basic unit of DNA packing in eukaryotic cells.
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describe specifically how protein tertiary structure facilitates DNA replication.
Draw a nucleosome, indicating the positions of DNA andproteins.
Describe how DNA is packaged in both prokaryotes and eukaryotes.
Chapter 13 Solutions
Campbell Biology in Focus
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 - Prob. 2TYUCh. 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. 11TYUCh. 13 - FOCUS ON EVOLUTION Some bacteria may be able to...Ch. 13 - FOCUS ON ORGANIZATION The continuity of life is...Ch. 13 - Prob. 14TYU
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- Breifly describe the function of the nucleoid and ribosome.arrow_forwardExplain the properties of nucleosomes ?arrow_forwardWhich one of the following statements about nucleosomes is false? a) The DNA double helix wraps around the nucleosome. b) The sequence of amino acid in a histone tail is altered during chromatin remodeling. c) A nucleosome is composed of 8 histone proteins; two copies of each type of histone. d) A large percent of the nucleosome is positively charged.arrow_forward
- Define replication, transcription, and translation. In what part of the cell does each process occur?arrow_forwardWhat role do histones play in nucleosomes?arrow_forwardConsider a portion of a gene in a cell with the sequence TTTTT. Which of the following bases would you find in the complementary RNA strand, and where in the (eukaryotic) cell would this RNA be synthesized? A) A-A-A-A-A; ribosome B) U-U-U-U-U; ribosome C) A-A-A-A-A; nucleus D) U-U-U-U-U; nucleusarrow_forward
- In eukaryotic cells, the length of the transcribed RNA is almost equal to the corresponding DNA strand. True or false?arrow_forwardChoose the CORRECT order of compaction of DNA in eukaryotes. DNA → nucleosome → loops → fiber → "beads on a string" → chromosome DNA → nucleosome → "beads on a string" → fiber → loops → chromosome DNA → nucleosome → fiber → loops → "beads on a string" → chromosome DNA → "beads on a string" → fiber → nucleosome → loops → chromosome DNA → fiber → loops → nucleosome → "beads on a string" → chromosomearrow_forwardDescribe the mechanisms by which bacterial DNA becomes compacted.arrow_forward
- Describe the structure of a nucleosome and explain its importancearrow_forwardWhich of the following make up a core nucleosome structure? A) about 147 bp of DNA D) A tetramer of histone proteins C) H1 histone E) Answers A and B are correct B) an octamer of histone proteinsarrow_forwardA major difference between prokaryotes and eukaryotes is the presence of a nucleus. What advantages and disadvantages may occur with having a cell’s genome packaged in a nucleus?arrow_forward
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