Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 8, Problem 5SQ
In eukaryotic chromosomes, DNA wraps around ______.
- a. histone proteins
- b. sister chromatids
- c. the double helix
- d. centromeres
- e. nucleosomes
- f. mutations
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Chapter 8 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - Which is not a nucleotide base in DNA? a. adenine...Ch. 8 - What are the base-pairing rules for DNA? a. AG, TC...Ch. 8 - Similarities in ________ are the basis of...Ch. 8 - One species DNA differs from others in its _____....Ch. 8 - In eukaryotic chromosomes, DNA wraps around...
Ch. 8 - The chromosome number ______. a. refers to a...Ch. 8 - Prob. 7SQCh. 8 - When DNA replication begins, ______. a. the two...Ch. 8 - Which of the following is/are not required for DNA...Ch. 8 - Energy that drives the attachment of a nucleotide...Ch. 8 - The phrase "5 prime to 3 prime" refers to the...Ch. 8 - After DNA replication, a eukaryotic chromosome...Ch. 8 - Match the terms appropriately. ______...Ch. 8 - All mutations ________. a. result from radiation...Ch. 8 - Prob. 15SQCh. 8 - Determine the complementary strand of DNA that...Ch. 8 - Review Figures 8.12 and 8.13. In cells, the...Ch. 8 - Woolly mammoths have been extinct for about 4,000...Ch. 8 - Xeroderma pigmentosum is an inherited disorder...
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- A nucleosome consists of (a) DNA and scaffolding proteins (b) scaffolding proteins and histones (c) DNA and histones (d) DNA, histones, and scaffolding proteins (e) histones onlyarrow_forwardWhen DNA synthesis occurs in a cell, it results in the formation of _____. A. homologs B. duplicated centrosomes C. more microtubules D. sister chromatids 23.arrow_forwardAfter DNA replication, a eukaryotic chromosome _________ . a. consists of two sister chromatids b. has a characteristic X shape c. is constricted at the centromere d. all of the abovearrow_forward
- The conversion of euchromatin into heterochromatin involvesa. the formation of more nucleosomes.b. the formation of less nucleosomes.c. a greater compaction of loop domains.d. a lesser compaction of loop domains.e. both a and c.arrow_forwardIn a nucleosome, the DNA is wrapped around(A) histones.(B) ribosomes.(C) polymerase molecules.(D) a thymine dimer.arrow_forwardWhat 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 chromatinarrow_forward
- Methylated cytosines may be associated with a. telomere repeats b. mutation hotspots c. centromere regions d. rancid breakfast cereal e. euchromatinarrow_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_forwardThe form of DNA that contains genes that are actively beingtranscribed is calleda. histones.b. telomeres.c. heterochromatin.d. euchromatin.arrow_forward
- How many copies of the H2B histone would be found in chromatin containing 50 nucleosomes? a. 5 b. 10 c. 50 d. 100arrow_forwardThe replication of chromosomes by eukaryotes occurs in a relatively short period of time because ? a. The eukaryotes have more amount of DNA for replication b. The eukaryotic replication machinery is 1000 times faster than prokaryotes c. Each chromosome contains multiple replicons di ba ito? Same eto d. Eukaryotic DNA is always DNA strandedarrow_forwardDefine nucleosomes.arrow_forward
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