Question 1

New nuclei form during the anaphase portion of cell division.

Accepted Answer

A) True 
 B)False  False

Question 2

The four cells that result from meiosis are _________ rather than diploid.

Accepted Answer

haploid

Question 3

By the time a cell enters meiosis II, it has

Accepted Answer

A)  become haploid. 
B)  re-formed bivalents. 
C)  become temporarily diploid. 
D)  rejoined its maternal homologue. 
A)  become haploid. 
B)  re-formed bivalents. 
C)  become temporarily diploid. 
D)  rejoined its maternal homologue. A

Question 4

An unduplicated chromosome contains

Accepted Answer

A)  two sister chromatids. 
B)  a single molecule of DNA. 
C)  the cell's karyotype. 
D)  its own spindle poles. 
A)  two sister chromatids. 
B)  a single molecule of DNA. 
C)  the cell's karyotype. 
D)  its own spindle poles.

Question 5

Cancers are groups of cells that divide rapidly and uncontrollably. Thus cancer cells

Accepted Answer

A)  are always in the G₀ phase. 
B)  never enter the cell cycle. 
C)  probably have a very short G₁ phase. 
D)  are stuck at the metaphase plate. 
A)  are always in the G₀ phase. 
B)  never enter the cell cycle. 
C)  probably have a very short G₁ phase. 
D)  are stuck at the metaphase plate.

Question 6

During anaphase, daughter chromosomes

Accepted Answer

A)  are condensed into chromatin. 
B)  move toward opposite spindle poles. 
C)  form homologous pairs. 
D)  move toward the same spindle pole. 
A)  are condensed into chromatin. 
B)  move toward opposite spindle poles. 
C)  form homologous pairs. 
D)  move toward the same spindle pole.

Question 7

A drug inhibits the formation of microtubules. This drug is added to a culture of cells during G₂. How might this drug affect the cell division?

Accepted Answer

A)  Cytokinesis could not occur. 
B)  The nuclear envelope would be unable to break down. 
C)  DNA synthesis would not occur. 
D)  The spindle apparatus would be unable to form. 
A)  Cytokinesis could not occur. 
B)  The nuclear envelope would be unable to break down. 
C)  DNA synthesis would not occur. 
D)  The spindle apparatus would be unable to form.

Question 8

Cell division, the climax of the cell cycle, consists of

Accepted Answer

A)  chromosome replication and separation. 
B)  the breakup of the nucleus at the metaphase plate. 
C)  mitosis or meiosis. 
D)  the formation of a new karyotype. 
A)  chromosome replication and separation. 
B)  the breakup of the nucleus at the metaphase plate. 
C)  mitosis or meiosis. 
D)  the formation of a new karyotype.

Question 9

Which of the following must occur before cell division begins?

Accepted Answer

A)  duplication of the nucleus 
B)  DNA synthesis 
C)  cytokinesis 
D)  DNA segregation 
A)  duplication of the nucleus 
B)  DNA synthesis 
C)  cytokinesis 
D)  DNA segregation

Question 10

Meiosis I is called a reduction division because the

Accepted Answer

A)  need for mitosis is reduced. 
B)  time it takes for the cell to divide is reduced. 
C)  chromosome number goes from diploid to haploid. 
D)  cell size is reduced. 
A)  need for mitosis is reduced. 
B)  time it takes for the cell to divide is reduced. 
C)  chromosome number goes from diploid to haploid. 
D)  cell size is reduced.

Question 11

The mitotic spindle guides the movement of chromosomes during certain stages of mitosis.

Accepted Answer

A) True 
 B)False

Question 12

The completion of the physical division of the parent cell during the last stage of mitosis is known as

Accepted Answer

A)  centrosome formation. 
B)  G₀. 
C)  cytokinesis. 
D)  meiosis. 
A)  centrosome formation. 
B)  G₀. 
C)  cytokinesis. 
D)  meiosis.

Question 13

Induced pluripotent stem cells (iPS) differ from embryonic stem cells (hES) because

Accepted Answer

A)  iPS cells are made with viruses rather than being harvested from an embryo 
B)  iPS cells exhibit the same properties as hES cells but are made from adult somatic cells rather than embryonic cells. 
C)  hES cells have the same DNA as their recipient and are less likely to be rejected than iPS cells. 
D)  hES cells are more highly differentiated than iPS cells. 
A)  iPS cells are made with viruses rather than being harvested from an embryo 
B)  iPS cells exhibit the same properties as hES cells but are made from adult somatic cells rather than embryonic cells. 
C)  hES cells have the same DNA as their recipient and are less likely to be rejected than iPS cells. 
D)  hES cells are more highly differentiated than iPS cells.

Question 14

Which of the following series correctly represents the levels of DNA packing from simplest to most dense?

Accepted Answer

A)  DNA strand → chromatin → chromosomes 
B)  Chromosome → chromatin → DNA strand 
C)  Chromosome → chromatin → DNA 
D)  Chromatin → DNA → centromere 
A)  DNA strand → chromatin → chromosomes 
B)  Chromosome → chromatin → DNA strand 
C)  Chromosome → chromatin → DNA 
D)  Chromatin → DNA → centromere

Question 15

Sister chromatids are held together at a constriction point called a ____________.

Accepted Answer

The answer of Sister chromatids are held together at a...

Question 16

The random distribution of chromosomes into daughter cells during ____________ of meiosis is one way to create genetic diversity.

Accepted Answer

The answer of The random distribution of chromosomes into daughter...

Question 17

Unlike mitosis, the nuclear membrane doesn't break down in meiosis II.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following choices states a correct reason why the process of cell division is different for prokaryotic than for eukaryotic cells?

Accepted Answer

A)  Prokaryotes have a circular DNA molecule. 
B)  Prokaryotic cells do not undergo cell division. 
C)  Prokaryotic cells are larger than eukaryotic cells. 
D)  Prokaryotic DNA contains different bases from those in eukaryotic DNA. 
A)  Prokaryotes have a circular DNA molecule. 
B)  Prokaryotic cells do not undergo cell division. 
C)  Prokaryotic cells are larger than eukaryotic cells. 
D)  Prokaryotic DNA contains different bases from those in eukaryotic DNA.

Question 19

Gametes contain _________ the genetic material that a generalized body cell contains.

Accepted Answer

A)  half 
B)  the same amount of 
C)  twice 
D)  four times 
A)  half 
B)  the same amount of 
C)  twice 
D)  four times

Question 20

Cytokinesis and mitosis are the same processes.

Accepted Answer

A) True 
 B)False

Exam 9: Cell Division

New nuclei form during the anaphase portion of cell division.

The four cells that result from meiosis are _________ rather than diploid.

By the time a cell enters meiosis II, it has

An unduplicated chromosome contains

Cancers are groups of cells that divide rapidly and uncontrollably. Thus cancer cells

During anaphase, daughter chromosomes

A drug inhibits the formation of microtubules. This drug is added to a culture of cells during G₂. How might this drug affect the cell division?

Cell division, the climax of the cell cycle, consists of

Which of the following must occur before cell division begins?

Meiosis I is called a reduction division because the

The mitotic spindle guides the movement of chromosomes during certain stages of mitosis.

The completion of the physical division of the parent cell during the last stage of mitosis is known as

Induced pluripotent stem cells (iPS) differ from embryonic stem cells (hES) because

Which of the following series correctly represents the levels of DNA packing from simplest to most dense?

Sister chromatids are held together at a constriction point called a ____________.

The random distribution of chromosomes into daughter cells during ____________ of meiosis is one way to create genetic diversity.

Unlike mitosis, the nuclear membrane doesn't break down in meiosis II.

Which of the following choices states a correct reason why the process of cell division is different for prokaryotic than for eukaryotic cells?

Gametes contain _________ the genetic material that a generalized body cell contains.

Cytokinesis and mitosis are the same processes.

The Nature of Science and the Characteristics of Life

Organizing the Diversity of Life

Major Groups of Living Organisms

Chemical Building Blocks

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy and Enzymes

Photosynthesis and Cellular Respiration

Patterns of Inheritance

Chromosomes and Human Genetics

DNA

From Gene to Protein

Control of Gene Expression

DNA Technology

How Evolution Works

Evolution of Populations

Adaptation and Speciation

The Evolutionary History of Life

Maintaining the Internal Environment

Animal Nutrition and Digestion

Gas Exchange

The Circulatory System

Animal Hormones

The Nervous System

Sensing the Environment

Skeletons, Muscles, and Movement

Defenses against Disease

Reproduction and Development

Animal Behavior

Plant Structure, Nutrition, and Transport

Plant Growth and Reproduction

The Biosphere

Growth of Populations

Interactions among Organisms

Communities of Organisms

Ecosystems

Global Change

Biodiversity and People

Cancer: Cell Division Out of Control

Harnessing the Human Genome

Humans and Evolution

Smoking--Beyond Lung Cancer

Feeding a Hungry Planet

Building a Sustainable Society

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