Question 1

A process essential to cell division because it separates the two copies of DNA that are attached by the centromere is called DNA ________.

Accepted Answer

The answer of A process essential to cell division because...

Question 2

Which of the following foods is most likely to contain a haploid cell or cells?

Accepted Answer

A)  a sirloin steak 
B)  an apple 
C)  one or more chicken eggs 
D)  a stalk of celery 
A)  a sirloin steak 
B)  an apple 
C)  one or more chicken eggs 
D)  a stalk of celery

Question 3

Which of the following processes must occur before cell division begins?

Accepted Answer

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

Question 4

New nuclei form during the anaphase stage of cell division.

Accepted Answer

A) True 
 B)False

Question 5

A single cell grows into a multicellular organism by the process of

Accepted Answer

A)  mitosis. 
B)  meiosis. 
C)  fertilization. 
D)  duplication. 
A)  mitosis. 
B)  meiosis. 
C)  fertilization. 
D)  duplication.

Question 6

Which of the following statements about the microtubules that grow out from the centrosomes is true?

Accepted Answer

A)  They pull the nuclear envelope apart. 
B)  They pull the centrosomes together. 
C)  They eventually become kinetochores. 
D)  They eventually attach to centromeres. 
A)  They pull the nuclear envelope apart. 
B)  They pull the centrosomes together. 
C)  They eventually become kinetochores. 
D)  They eventually attach to centromeres.

Question 7

During prophase,the opposite ends,or spindle poles,of a cell that is beginning mitosis are determined by the separation of the ________.

Accepted Answer

The answer of During prophase,the opposite ends,or spindle poles,of a...

Question 8

Which of the following things could NOT be determined from looking at a karyotype?

Accepted Answer

A)  the gender of the individual who provided the sample 
B)  whether the source of the sample was a nonhuman species 
C)  whether the source of the sample was a somatic cell or a gamete 
D)  the height and eye color of the individual who provided the sample 
A)  the gender of the individual who provided the sample 
B)  whether the source of the sample was a nonhuman species 
C)  whether the source of the sample was a somatic cell or a gamete 
D)  the height and eye color of the individual who provided the sample

Question 9

Cytokinesis occurs during interphase.

Accepted Answer

A) True 
 B)False

Question 10

Chromosomes become visible during the mitotic stage called ________.

Accepted Answer

The answer of Chromosomes become visible during the mitotic stage...

Question 11

You are examining the rapidly dividing cells of a fish embryo and notice a cell that seems to contain two nuclei with complete nuclear envelopes and decondensing chromosomes.The middle of the cell is pinched inward.This cell must be in

Accepted Answer

A)  prophase. 
B)  telophase. 
C)  metaphase. 
D)  anaphase. 
A)  prophase. 
B)  telophase. 
C)  metaphase. 
D)  anaphase.

Question 12

Which of the following statements about cell division is true?

Accepted Answer

A)  It is the process by which organisms grow and maintain their tissues. 
B)  It is no longer necessary after an organism reaches maturity. 
C)  It occurs in two sequential stages in all cells: mitosis and meiosis. 
D)  It is the process by which fertilization occurs. 
A)  It is the process by which organisms grow and maintain their tissues. 
B)  It is no longer necessary after an organism reaches maturity. 
C)  It occurs in two sequential stages in all cells: mitosis and meiosis. 
D)  It is the process by which fertilization occurs.

Question 13

The completion of the physical division of the parent cell cytoplasm that usually occurs 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 14

When appropriately prompted,diploid individuals of Ulva prolifera form spores that germinate to become haploid individuals.What is the most likely mechanism by which diploid individuals could be created to complete the life cycle?

Accepted Answer

A)  Haploid individuals meiotically produce egg cells and sperm cells, which subsequently fuse. 
B)  Some haploid individuals undergo multiple rounds of mitosis without cytokinesis, followed by nuclear fusion. 
C)  Some of these individuals differentiate to become haploid gametes and then fuse to produce a diploid zygote. 
D)  Haploid individuals undergo two sequential S phases in their cell cycle to reestablish the diploid state. 
A)  Haploid individuals meiotically produce egg cells and sperm cells, which subsequently fuse. 
B)  Some haploid individuals undergo multiple rounds of mitosis without cytokinesis, followed by nuclear fusion. 
C)  Some of these individuals differentiate to become haploid gametes and then fuse to produce a diploid zygote. 
D)  Haploid individuals undergo two sequential S phases in their cell cycle to reestablish the diploid state.

Question 15

Cytokinesis and mitosis are the same processes.

Accepted Answer

A) True 
 B)False

Question 16

The attachment of microtubules to the centromeres of chromosomes sets the stage for the positioning of the chromosomes at the metaphase plate; the attachment of the microtubules occurs during the mitotic phase called ________.

Accepted Answer

The answer of The attachment of microtubules to the centromeres...

Question 17

Some daughter cells are called clones; for this description to be accurate,the daughter cells must

Accepted Answer

A)  show the same differentiation characteristics as the parent cell. 
B)  separate from each other and exist independently. 
C)  contain a set of DNA that is identical to that of the parent cell. 
D)  have been produced by meiotic cell division. 
A)  show the same differentiation characteristics as the parent cell. 
B)  separate from each other and exist independently. 
C)  contain a set of DNA that is identical to that of the parent cell. 
D)  have been produced by meiotic cell division.

Question 18

Cancers are groups of cells that divide uncontrollably because they

Accepted Answer

A)  are always in the G0 phase. 
B)  never enter the cell cycle. 
C)  are unable to respond to the negative internal or external signals that keep the cell from dividing. 
D)  are stuck at the metaphase plate. 
A)  are always in the G0 phase. 
B)  never enter the cell cycle. 
C)  are unable to respond to the negative internal or external signals that keep the cell from dividing. 
D)  are stuck at the metaphase plate.

Question 19

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

Accepted Answer

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

Question 20

In human females,when is meiosis II finished?

Accepted Answer

A)  just before birth 
B)  just after birth 
C)  at ovulation 
D)  after fertilization by a sperm cell 
A)  just before birth 
B)  just after birth 
C)  at ovulation 
D)  after fertilization by a sperm cell

Exam 7: Cell Division

A process essential to cell division because it separates the two copies of DNA that are attached by the centromere is called DNA ________.

Which of the following foods is most likely to contain a haploid cell or cells?

Which of the following processes must occur before cell division begins?

New nuclei form during the anaphase stage of cell division.

A single cell grows into a multicellular organism by the process of

Which of the following statements about the microtubules that grow out from the centrosomes is true?

During prophase,the opposite ends,or spindle poles,of a cell that is beginning mitosis are determined by the separation of the ________.

Which of the following things could NOT be determined from looking at a karyotype?

Cytokinesis occurs during interphase.

Chromosomes become visible during the mitotic stage called ________.

You are examining the rapidly dividing cells of a fish embryo and notice a cell that seems to contain two nuclei with complete nuclear envelopes and decondensing chromosomes.The middle of the cell is pinched inward.This cell must be in

Which of the following statements about cell division is true?

The completion of the physical division of the parent cell cytoplasm that usually occurs during the last stage of mitosis is known as

When appropriately prompted,diploid individuals of Ulva prolifera form spores that germinate to become haploid individuals.What is the most likely mechanism by which diploid individuals could be created to complete the life cycle?

Cytokinesis and mitosis are the same processes.

The attachment of microtubules to the centromeres of chromosomes sets the stage for the positioning of the chromosomes at the metaphase plate; the attachment of the microtubules occurs during the mitotic phase called ________.

Some daughter cells are called clones; for this description to be accurate,the daughter cells must

Cancers are groups of cells that divide uncontrollably because they

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

In human females,when is meiosis II finished?

The Nature of Science and the Characteristics of Life

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photo Synthesis and Cellular Respiration

Cancer and Human Health

Patterns of Inheritance

Chromosomes and Human Genetics

DNA and Genes

From Gene to Protein

DNA Technology

How Evolution Works

The Origin of Species

The Evolution of Biodiversity

Biological Diversity, Bacteria, and Archaea

Protista, Plantae, and Fungi

Animalia

The Biosphere

Growth of Populations

Animal Behavior

Ecological Communities

Ecosystems

Global Change

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