Question 1

Which of the following is true of the chromosomes in a homologous pair?

Accepted Answer

A)  They both came from the organism's mother. 
B)  They both came from the organism's father. 
C)  One chromosome came from each of the organism's parents. 
D)  Neither chromosome came from the organism's parents. 
A)  They both came from the organism's mother. 
B)  They both came from the organism's father. 
C)  One chromosome came from each of the organism's parents. 
D)  Neither chromosome came from the organism's parents.

Question 2

When examining the rapidly dividing cells of a fish embryo, you notice a cell that seems to contain two nuclei. The middle of the cell is pinched inward. This cell must be in _____ of mitosis.

Accepted Answer

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

Question 3

The mitotic spindle is made of

Accepted Answer

A)  centrosomes. 
B)  chromosomes. 
C)  kinetochores. 
D)  microtubules. 
A)  centrosomes. 
B)  chromosomes. 
C)  kinetochores. 
D)  microtubules.

Question 4

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

Accepted Answer

A)  a sirloin steak 
B)  an apple 
C)  an egg 
D)  a stalk of celery 
A)  a sirloin steak 
B)  an apple 
C)  an egg 
D)  a stalk of celery

Question 5

Cytokinesis occurs during interphase.

Accepted Answer

A) True 
 B)False

Question 6

The attachment of microtubules to the centromeres of chromosomes during ____________ of mitosis sets the stage for the positioning of the chromosomes at the metaphase plate.

Accepted Answer

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

Question 7

The sequence of events in meiosis II is prophase II, ____________, anaphase II, and telophase II, then cytokinesis.

Accepted Answer

The answer of The sequence of events in meiosis II...

Question 8

At the completion of mitosis, the nucleus of a human somatic cell has ___ chromosomes.

Accepted Answer

A)  23 
B)  46 
C)  92 
D)  184 
A)  23 
B)  46 
C)  92 
D)  184

Question 9

Interphase is an uneventful resting stage of the cell division cycle.

Accepted Answer

A) True 
 B)False

Question 10

The fact that DNA is distributed into homologous pairs allows

Accepted Answer

A)  cells to reduce their chromosome number by half during meiosis. 
B)  a cell to begin meiosis with only one half of its DNA. 
C)  sex chromosomes to exist in some cells. 
D)  microtubules to attach to only half of the chromosomes. 
A)  cells to reduce their chromosome number by half during meiosis. 
B)  a cell to begin meiosis with only one half of its DNA. 
C)  sex chromosomes to exist in some cells. 
D)  microtubules to attach to only half of the chromosomes.

Question 11

Chromosomes become visible during the _______ stage of mitosis.

Accepted Answer

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

Question 12

The two sister chromatids of a single chromosome are held together by a

Accepted Answer

A)  centrosome. 
B)  spindle fiber. 
C)  centromere. 
D)  chromatin. 
A)  centrosome. 
B)  spindle fiber. 
C)  centromere. 
D)  chromatin.

Question 13

The daughter cells of meiosis I are haploid.

Accepted Answer

A) True 
 B)False

Question 14

The bivalents of homologous chromosomes undergo crossing over. What is the significance of this process?

Accepted Answer

A)  Two copies of the same chromosome are allowed to become part of the same gamete. 
B)  The resulting gametes will have different gene combinations than their parent cells' gene combinations. 
C)  The bivalent chromosomes are able to exchange genetic material with other pairs of chromosomes. 
D)  The gametes that are produced will have twice as many chromosomes as the parent cells had. 
A)  Two copies of the same chromosome are allowed to become part of the same gamete. 
B)  The resulting gametes will have different gene combinations than their parent cells' gene combinations. 
C)  The bivalent chromosomes are able to exchange genetic material with other pairs of chromosomes. 
D)  The gametes that are produced will have twice as many chromosomes as the parent cells had.

Question 15

Which of the following statements is not generally true?

Accepted Answer

A)  As an organism matures, it needs more cells. 
B)  As an organism matures, it needs different kinds of cells. 
C)  As an organism matures, it needs to replace the DNA in each of its cells. 
D)  As an organism matures, it needs to replace worn-out cells. 
A)  As an organism matures, it needs more cells. 
B)  As an organism matures, it needs different kinds of cells. 
C)  As an organism matures, it needs to replace the DNA in each of its cells. 
D)  As an organism matures, it needs to replace worn-out cells.

Question 16

The reduction division of meiosis has occurred when

Accepted Answer

A)  bivalents are cut in half by proteins in their centromeres. 
B)  half of the bivalents line up on each side of the metaphase plate. 
C)  the first cell division of meiosis is complete. 
D)  the second cell division of meiosis is complete. 
A)  bivalents are cut in half by proteins in their centromeres. 
B)  half of the bivalents line up on each side of the metaphase plate. 
C)  the first cell division of meiosis is complete. 
D)  the second cell division of meiosis is complete.

Question 17

Both meiosis I and meiosis II decrease the number of chromosomes found in a cell.

Accepted Answer

A) True 
 B)False

Question 18

Meiosis I is almost identical to the events in mitosis.

Accepted Answer

A) True 
 B)False

Question 19

During the S phase, the cell

Accepted Answer

A)  duplicates its DNA. 
B)  grows in size to prepare for DNA synthesis. 
C)  completes its preparation for mitosis. 
D)  rests between divisions. 
A)  duplicates its DNA. 
B)  grows in size to prepare for DNA synthesis. 
C)  completes its preparation for mitosis. 
D)  rests between divisions.

Question 20

All cells in a human body undergo the process of meiosis.

Accepted Answer

A) True 
 B)False

Exam 9: Cell Division

Which of the following is true of the chromosomes in a homologous pair?

When examining the rapidly dividing cells of a fish embryo, you notice a cell that seems to contain two nuclei. The middle of the cell is pinched inward. This cell must be in _____ of mitosis.

The mitotic spindle is made of

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

Cytokinesis occurs during interphase.

The attachment of microtubules to the centromeres of chromosomes during ____________ of mitosis sets the stage for the positioning of the chromosomes at the metaphase plate.

The sequence of events in meiosis II is prophase II, ____________, anaphase II, and telophase II, then cytokinesis.

At the completion of mitosis, the nucleus of a human somatic cell has ___ chromosomes.

Interphase is an uneventful resting stage of the cell division cycle.

The fact that DNA is distributed into homologous pairs allows

Chromosomes become visible during the _______ stage of mitosis.

The two sister chromatids of a single chromosome are held together by a

The daughter cells of meiosis I are haploid.

The bivalents of homologous chromosomes undergo crossing over. What is the significance of this process?

Which of the following statements is not generally true?

The reduction division of meiosis has occurred when

Both meiosis I and meiosis II decrease the number of chromosomes found in a cell.

Meiosis I is almost identical to the events in mitosis.

During the S phase, the cell

All cells in a human body undergo the process of meiosis.

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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