Question 1

The __________ is responsible for the separation of the chromosomes during __________ of mitosis.

Accepted Answer

A)  cell wall; anaphase 
B)  flagellum; metaphase 
C)  mitotic spindle; anaphase 
D)  kinetochore; prophase 
E)  centromere; telophase 
A)  cell wall; anaphase 
B)  flagellum; metaphase 
C)  mitotic spindle; anaphase 
D)  kinetochore; prophase 
E)  centromere; telophase

Question 2

__________ contain identical DNA sequences and are held together by __________ during mitosis.

Accepted Answer

A)  Daughter chromosomes; hydrogen bonding 
B)  Daughter chromosomes; ionic bonding 
C)  Sister chromatids; spindle fibers 
D)  Sister chromosomes; histone proteins 
E)  Sister chromatids; centromeres 
A)  Daughter chromosomes; hydrogen bonding 
B)  Daughter chromosomes; ionic bonding 
C)  Sister chromatids; spindle fibers 
D)  Sister chromosomes; histone proteins 
E)  Sister chromatids; centromeres

Question 3

A zygote contains the __________ complement of chromosomes.

Accepted Answer

A)  haploid 
B)  diploid 
C)  polyploid 
D)  spermatogenesis 
E)  none of these 
A)  haploid 
B)  diploid 
C)  polyploid 
D)  spermatogenesis 
E)  none of these

Question 4

The chromosome makeup of an individual organism is called a:

Accepted Answer

A)  kinetochore. 
B)  chromosome plot. 
C)  centromere. 
D)  karyotype. 
E)  centriole. 
A)  kinetochore. 
B)  chromosome plot. 
C)  centromere. 
D)  karyotype. 
E)  centriole.

Question 5

Cytokinesis in plant cells occurs via the formation of a(n):

Accepted Answer

A)  aster. 
B)  mitotic spindle. 
C)  Golgi complex. 
D)  cell wall. 
E)  cell plate. 
A)  aster. 
B)  mitotic spindle. 
C)  Golgi complex. 
D)  cell wall. 
E)  cell plate.

Question 6

Each nucleosome has __________ base pairs of DNA wrapped around a disc-shaped core of eight histone molecules.

Accepted Answer

A)  146 
B)  28 
C)  18 
D)  10,000 
E)  456 
A)  146 
B)  28 
C)  18 
D)  10,000 
E)  456

Question 7

The mitotic spindle is made of:

Accepted Answer

A)  collagen. 
B)  condensin. 
C)  histones. 
D)  keratin. 
E)  microtubules. 
A)  collagen. 
B)  condensin. 
C)  histones. 
D)  keratin. 
E)  microtubules.

Question 8

Match the stage of meiosis with the events that occur there:
a.prophase I
e.anaphase I
b.prophase II
f.anaphase II
c.metaphase I
g.telophase I
d.metaphase II
h.telophase II
-homologous chromosomes synapse

Accepted Answer

The answer of Match the stage of meiosis with the...

Question 9

A pair of centrioles is found at the center of the microtubule-organizing center in plant cells.
__________________

Accepted Answer

A) True 
 B)False

Question 10

Enzymes required for DNA replication are synthesized during the G1 phase.
__________________

Accepted Answer

A) True 
 B)False

Question 11

The correct number of chromosomes is maintained during sexual reproduction by:

Accepted Answer

A)  a process by which one half of the chromosomes in gametes are removed. 
B)  chromosome doubling in the newly formed zygote. 
C)  meiosis, which reduces the chromosome number by half. 
D)  mitosis, which maintains the original chromosome number. 
E)  replication of chromosomes twice during meiosis. 
A)  a process by which one half of the chromosomes in gametes are removed. 
B)  chromosome doubling in the newly formed zygote. 
C)  meiosis, which reduces the chromosome number by half. 
D)  mitosis, which maintains the original chromosome number. 
E)  replication of chromosomes twice during meiosis.

Question 12

Duplicated centrioles move to opposite poles of a dividing __________ cell during __________ of the cell cycle.

Accepted Answer

A)  plant; metaphase 
B)  plant; anaphase 
C)  prokaryotic; metaphase 
D)  animal; interphase 
E)  animal; prophase 
A)  plant; metaphase 
B)  plant; anaphase 
C)  prokaryotic; metaphase 
D)  animal; interphase 
E)  animal; prophase

Question 13

MATCHING
Match the stage of mitosis with the events that occur there.
a.metaphase
d.telophase
b.anaphase
e.prophase
c.prometaphase
-sister chromatids separate at their centromeres

Accepted Answer

The answer of MATCHING
Match the stage of mitosis with the...

Question 14

Figure 10-1
Use the figure to answer the corresponding question(s).  
-The formation of female gametes is termed:

Accepted Answer

A)  oogenesis. 
B)  macrogenesis. 
C)  spermatogenesis. 
D)  ovogenesis. 
E)  microgenesis. 
A)  oogenesis. 
B)  macrogenesis. 
C)  spermatogenesis. 
D)  ovogenesis. 
E)  microgenesis.

Question 15

If a cell is in G2:

Accepted Answer

A)  it has twice the amount of DNA present in a telophase nucleus. 
B)  it has visibly distinct chromosomes. 
C)  it lacks a visible nuclear membrane. 
D)  it is in mitosis. 
E)  it is in cytokinesis. 
A)  it has twice the amount of DNA present in a telophase nucleus. 
B)  it has visibly distinct chromosomes. 
C)  it lacks a visible nuclear membrane. 
D)  it is in mitosis. 
E)  it is in cytokinesis.

Question 16

For each animal cell that begins oogenesis, the number of ova produced is four.
__________________

Accepted Answer

A) True 
 B)False

Question 17

The cell cycle of a typical somatic cell consists of __________ and M phase.

Accepted Answer

A)  interphase 
B)  meiosis I 
C)  crossing-over 
D)  meiosis II 
E)  mitosis 
A)  interphase 
B)  meiosis I 
C)  crossing-over 
D)  meiosis II 
E)  mitosis

Question 18

MATCHING
Match the stage of mitosis with the events that occur there.
a.metaphase
d.telophase
b.anaphase
e.prophase
c.prometaphase
-mitotic spindle forms

Accepted Answer

The answer of MATCHING
Match the stage of mitosis with the...

Question 19

MATCHING
Match the stage of mitosis with the events that occur there.
a.metaphase
d.telophase
b.anaphase
e.prophase
c.prometaphase
-chromatin condenses

Accepted Answer

The answer of MATCHING
Match the stage of mitosis with the...

Question 20

Match the stage of meiosis with the events that occur there:
a.prophase I
e.anaphase I
b.prophase II
f.anaphase II
c.metaphase I
g.telophase I
d.metaphase II
h.telophase II
-Explain how the cells produced by meiosis can have undergone two nuclear divisions but have a haploid number of chromosomes.

Accepted Answer

Concepts to Consider: This is possible b

Exam 10: Chromosomes, Mitosis, and Meiosis

The __________ is responsible for the separation of the chromosomes during __________ of mitosis.

__________ contain identical DNA sequences and are held together by __________ during mitosis.

A zygote contains the __________ complement of chromosomes.

The chromosome makeup of an individual organism is called a:

Cytokinesis in plant cells occurs via the formation of a(n):

Each nucleosome has __________ base pairs of DNA wrapped around a disc-shaped core of eight histone molecules.

The mitotic spindle is made of:

Match the stage of meiosis with the events that occur there: a.prophase I e.anaphase I b.prophase II f.anaphase II c.metaphase I g.telophase I d.metaphase II h.telophase II -homologous chromosomes synapse

A pair of centrioles is found at the center of the microtubule-organizing center in plant cells. __________________

Enzymes required for DNA replication are synthesized during the G1 phase. __________________

The correct number of chromosomes is maintained during sexual reproduction by:

Duplicated centrioles move to opposite poles of a dividing __________ cell during __________ of the cell cycle.

MATCHING Match the stage of mitosis with the events that occur there. a.metaphase d.telophase b.anaphase e.prophase c.prometaphase -sister chromatids separate at their centromeres

Figure 10-1 Use the figure to answer the corresponding question(s). -The formation of female gametes is termed:

If a cell is in G2:

For each animal cell that begins oogenesis, the number of ova produced is four. __________________

The cell cycle of a typical somatic cell consists of __________ and M phase.

MATCHING Match the stage of mitosis with the events that occur there. a.metaphase d.telophase b.anaphase e.prophase c.prometaphase -mitotic spindle forms

MATCHING Match the stage of mitosis with the events that occur there. a.metaphase d.telophase b.anaphase e.prophase c.prometaphase -chromatin condenses

Match the stage of meiosis with the events that occur there: a.prophase I e.anaphase I b.prophase II f.anaphase II c.metaphase I g.telophase I d.metaphase II h.telophase II -Explain how the cells produced by meiosis can have undergone two nuclear divisions but have a haploid number of chromosomes.

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

The Basic Principles of Heredity

Dna: the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Protection, Support, and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System: Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology: Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

Filters

The is responsible for the separation of the chromosomes during of mitosis.

contain identical DNA sequences and are held together by during mitosis.

Enzymes required for DNA replication are synthesized during the G₁ phase. __________________

Duplicated centrioles move to opposite poles of a dividing cell during of the cell cycle.

If a cell is in G₂: