MindTap Biology, 1 term (6 months) Printed Access Card for Starr/Taggart/Evers/Starr's Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305269842
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 8, Problem 5SQ
Summary Introduction
Concept introduction: DNA is compacted into a structure called as chromosomes, with the help of proteins associated with DNA. Chromosomes are present in both prokaryotes and eukaryotes and make up the genetic material of an organism. Chromosomes are thin, thread-like structures visible at the time of cell division. Chromosomes are actually DNA in compacted form that is held together by basic proteins called as histones.
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In eukaryotic chromosomes, DNA wraps around_____ . a. histone proteins d. centromeres b. sister chromatids e. nucleosomes c. the double helix f. mutations
When DNA synthesis occurs in a cell, it results in the formation of _____.
A. homologs
B. duplicated centrosomes
C. more microtubules
D. sister chromatids
23.
DNA plus associated proteins equal?
a. chromatin
b. chromosome
c. chromatid
d. nucleosome
Chapter 8 Solutions
MindTap Biology, 1 term (6 months) Printed Access Card for Starr/Taggart/Evers/Starr's Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 8 - Which is not a nucleotide base in DNA? a. adenine...Ch. 8 - What are the base-pairing rules for DNA? a. A-G,...Ch. 8 - Variation in _____ is the basis of variation in...Ch. 8 - One species' DNA differs from others in its...Ch. 8 - Prob. 5SQCh. 8 - Prob. 6SQCh. 8 - Prob. 7SQCh. 8 - When DNA replication begins, ______. a. the two...Ch. 8 - DNA replication requires _______. a. DNA...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 - 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 - Prob. 13SQCh. 8 - Prob. 14SQCh. 8 - Prob. 15SQCh. 8 - Prob. 1CTCh. 8 - Woolly mammoths have been extinct for about 4,000...Ch. 8 - Xeroderma pigmentosum is an inherited disorder...
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- After 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_forwardHuman body cells are diploid, which mean they______ . a. divide to form two cells b. have two full sets of chromosomes c. contain two chromosomesarrow_forwardWhich of the following events does not occur during some stages of interphase? a. DNA duplication b. organelle duplication c. increase in cell size d. separation of sister chromatidsarrow_forward
- The DNA in a cell associates with proteins to form chromatin. What is a nucleosome?arrow_forwardOne difference between cancer cells and normal cells is that cancer cells a. are always in the M phase b. are arrested at the S phase of the cell cycle c. are unable to synthesize DNA d. continue to divide even when they are tightly packed togetherarrow_forwardIn a nucleosome, the DNA is wrapped around(A) histones.(B) ribosomes.(C) polymerase molecules.(D) a thymine dimer.arrow_forward
- In nucleosome, the DNA is wrapped around a. histones b. ribosomes c. polymerase molecule d. a thymine dimerarrow_forwardDNA doubles ___. A. before mitosis B. during metaphase of mitosis C. at any time during cell division D. during prophase of mitosis E. immediately before prophase of mitosisarrow_forwardWhich of the following is the main reason why DNA must exist in chromosome form? a.)To favor the formation of sister chromatids b.)To allow the protein histones to carry out its task c.)To avoid the genetic material to be tangled away during cell division d.)To promote the formation of spindle fibersarrow_forward
- Eukaryotic chromosomes are composed ofa. DNA. c. histones.b. proteins. d. All of the abovearrow_forwardThe chromosomes of a cell are lined up along the equatorduringa. prophase.b. metaphase.c. anaphase.d. telophase.arrow_forwardWhich statement about eukaryotic chromosomes entering mitosis is NOT true?a. They enter as two chromatids.b. They enter with a single centromere.c. They are soon visible under the light microscope.d. Their DNA is not yet replicated.arrow_forward
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