EBK BIOLOGY: CONCEPTS AND APPLICATIONS
9th Edition
ISBN: 9780100478657
Author: STARR
Publisher: YUZU
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Chapter 8, Problem 5SQ
Summary Introduction
Introduction:
Chromosome is a structure containing DNA and associated proteins. It carries a part or complete genetic information that is present in a cell.
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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
The _____ is the physical location that sister chromatids are held together and where microtubules physically attach during mitosis.
a. centriole
b. centrosome
c. centromere
d. chromatin
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.
Chapter 8 Solutions
EBK BIOLOGY: CONCEPTS AND APPLICATIONS
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 - Prob. 3SQCh. 8 - Prob. 4SQCh. 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 - Prob. 10SQ
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- In eukaryotic chromosomes, DNA wraps around _________. a. histone proteins c. centromeres b. sister chromatids d. nucleosomesarrow_forwardChromosomes are visible under microscope during cell division because a. Thickening of chromatins b. Disappearance of the nucleoli c. Disintegration of the nuclear membrane d. Duplication of the DNAarrow_forwardThe correct order of compaction from least compacted to most compacted would beThe correct order of compaction from least compacted to most compacted would be __________. A. naked DNA, 30-nm fiber, nucleosome, loop domain, metaphase chromosome B. naked DNA, loop domain, 30-nm fiber, nucleosome, metaphase chromosome C. naked DNA, nucleosome, 30-nm fiber, loop domain, metaphase chromosome D. naked DNA, metaphase chromosome, loop domain, 30-nm fiber, nucleosomearrow_forward
- The structural unit of the eukaryotic genome is called a(n): a. nucleosome b. histone c. chromatin d. exonarrow_forwardThe nuclear matrix composition: a. lamina, nucleosome b. cortex, lamina, c. nucleosome d. lamina, interchromatin networkarrow_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
- QUESTION 6 contains transcribed genes. A. Telomeric chromatin B. Centromeric chromatin C. Heterochromatin D. Euchromatin O E. Epichromatinarrow_forwardDNA 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.arrow_forwardWhich of the following cell types will most likely reach cell senescence after many rounds of replication? A. Adult stem cells B. Cancer cells C. Normal adult somatic cells D. Embryonic stem cellsarrow_forward
- Which 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_forwardthe spindle attaches to chromosomes at the_______ . a. centriole c. centromere b. contractile ring d. centrosomearrow_forwardDefine the following terms and their relationships to one another:A. interphase chromosomeB. mitotic chromosomeC. ChromatinD. heterochromatin e. histonesF. Nucleosomearrow_forward
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