Question 1

What is one of the differences between cell division in plant cells and cell division in animal cells?

Accepted Answer

A) Plant cells separate chromosomes by attachment to the plasma membrane. 
B) There is no DNA replication before cell division in plant cells. 
C) Plant cells do not use a mitotic spindle to separate chromosomes. 
D) Plant cells separate by the formation of a new plasma membrane and cell wall in the middle of the cell. 
A) Plant cells separate chromosomes by attachment to the plasma membrane. 
B) There is no DNA replication before cell division in plant cells. 
C) Plant cells do not use a mitotic spindle to separate chromosomes. 
D) Plant cells separate by the formation of a new plasma membrane and cell wall in the middle of the cell. D

Question 2

What is a function of cell division?

Accepted Answer

A) to turn skin cells into hair cells 
B) to keep cell size small as multicellular organisms grow 
C) to allow cell size to increase to its maximum 
D) to allow mature leaves to increase in size 
A) to turn skin cells into hair cells 
B) to keep cell size small as multicellular organisms grow 
C) to allow cell size to increase to its maximum 
D) to allow mature leaves to increase in size B

Question 3

A karyotype:

Accepted Answer

A) shows chromosomes as they appear before replication. 
B) can reveal the location of a gene. 
C) can show the number of chromosomes in a cell. 
D) can reveal the presence of cancerous genes. 
A) shows chromosomes as they appear before replication. 
B) can reveal the location of a gene. 
C) can show the number of chromosomes in a cell. 
D) can reveal the presence of cancerous genes. C

Question 4

The sequence of events from the birth of a cell to when it divides describes the ________.

Accepted Answer

The answer of The sequence of events from the birth...

Question 5

Which of the following structures is involved in forming a cleavage furrow?

Accepted Answer

A) sister chromatids 
B) mitotic spindle 
C) metaphase plate 
D) contractile ring 
A) sister chromatids 
B) mitotic spindle 
C) metaphase plate 
D) contractile ring

Question 6

What would happen if the cell cycle proceeded normally except cytokinesis did not occur?

Accepted Answer

A) The absence of cytokinesis would inhibit mitosis. 
B) The G1 and G2 phases would become shorter. 
C) Cells without nuclei would be formed. 
D) A large cell with multiple nuclei would result. 
A) The absence of cytokinesis would inhibit mitosis. 
B) The G1 and G2 phases would become shorter. 
C) Cells without nuclei would be formed. 
D) A large cell with multiple nuclei would result.

Question 7

Normal cell operations and growth occur during the "gap" period called:

Accepted Answer

A) G3. 
B) M) 
C) S) 
D) G1. 
A) G3. 
B) M) 
C) S) 
D) G1.

Question 8

Microtubule-organizing centers will begin to migrate toward the cell poles during:

Accepted Answer

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

Question 9

What would be the consequence if one base were changed in the base sequence of a DNA molecule?

Accepted Answer

A) Messenger RNA would correct the mistake. 
B) Genome copying would be impossible. 
C) Protein synthesis would stop. 
D) A defective protein could be produced. 
A) Messenger RNA would correct the mistake. 
B) Genome copying would be impossible. 
C) Protein synthesis would stop. 
D) A defective protein could be produced.

Question 10

During which phase of mitosis are the chromosomes aligned along the equator of the cell? Predict what would happen if a cell completed mitosis without first lining up all the chromosomes in the middle of the cell.

Accepted Answer

The chromosomes are aligned along the eq

Question 11

Which of the following organisms would reproduce by binary fission?

Accepted Answer

A) plants 
B) animals 
C) fungi 
D) bacteria 
A) plants 
B) animals 
C) fungi 
D) bacteria

Question 12

Anaphase is characterized by the separation of sister chromatids.

Accepted Answer

A) True 
 B)False

Question 13

What is being separated during anaphase of mitosis?

Accepted Answer

A) plasma membranes 
B) sister chromatids 
C) nuclear membranes 
D) cytoplasm 
A) plasma membranes 
B) sister chromatids 
C) nuclear membranes 
D) cytoplasm

Question 14

The "gap" phases of the cell cycle are devoted to:

Accepted Answer

A) moving chromosomes to their correct positions. 
B) normal cell operations, growth, and preparation for cell division. 
C) DNA replication. 
D) creating new nuclei. 
A) moving chromosomes to their correct positions. 
B) normal cell operations, growth, and preparation for cell division. 
C) DNA replication. 
D) creating new nuclei.

Question 15

Compact chromosomes first become visible during metaphase.

Accepted Answer

A) True 
 B)False

Question 16

You are a physician treating a patient with cancer.Traditional chemotherapy has not been working on this patient,so you prescribe a new class of drugs called taxanes,which inhibit microtubule function.Your patient asks you how they work.How would you explain to your patient how these drugs work?

Accepted Answer

Microtubules are involved in moving chro

Question 17

The study of physical inheritance among living things is:

Accepted Answer

A) proteomics. 
B) genomics. 
C) genetics. 
D) reproduction. 
A) proteomics. 
B) genomics. 
C) genetics. 
D) reproduction.

Question 18

The ________ of an organism is its complete collection of genetic information.

Accepted Answer

The answer of The ________ of an organism is its...

Question 19

During S phase,chromosomes are converted to what form?

Accepted Answer

A) karyotypes 
B) sister chromatids 
C) chromatin 
D) centrosomes 
A) karyotypes 
B) sister chromatids 
C) chromatin 
D) centrosomes

Question 20

If a cell with 16 chromosomes undergoes mitosis,how many chromosomes will each daughter cell have?

Accepted Answer

A) 8 
B) 4 
C) 32 
D) 16 
A) 8 
B) 4 
C) 32 
D) 16

Exam 9: The Links in Lifes Chain: Genetics and Cell Division

What is one of the differences between cell division in plant cells and cell division in animal cells?

What is a function of cell division?

A karyotype:

The sequence of events from the birth of a cell to when it divides describes the ________.

Which of the following structures is involved in forming a cleavage furrow?

What would happen if the cell cycle proceeded normally except cytokinesis did not occur?

Normal cell operations and growth occur during the "gap" period called:

Microtubule-organizing centers will begin to migrate toward the cell poles during:

What would be the consequence if one base were changed in the base sequence of a DNA molecule?

During which phase of mitosis are the chromosomes aligned along the equator of the cell? Predict what would happen if a cell completed mitosis without first lining up all the chromosomes in the middle of the cell.

Which of the following organisms would reproduce by binary fission?

Anaphase is characterized by the separation of sister chromatids.

What is being separated during anaphase of mitosis?

The "gap" phases of the cell cycle are devoted to:

Compact chromosomes first become visible during metaphase.

You are a physician treating a patient with cancer.Traditional chemotherapy has not been working on this patient,so you prescribe a new class of drugs called taxanes,which inhibit microtubule function.Your patient asks you how they work.How would you explain to your patient how these drugs work?

The study of physical inheritance among living things is:

The ________ of an organism is its complete collection of genetic information.

During S phase,chromosomes are converted to what form?

If a cell with 16 chromosomes undergoes mitosis,how many chromosomes will each daughter cell have?

Science As a Way of Learning: a Guide to the Natural World

Fundamental Building Blocks: Chemistry, water, and Ph

Lifes Components: Biological Molecules

Lifes Home: the Cell

Lifes Border: the Plasma Membrane

Lifes Mainspring: an Introduction to Energy

Vital Harvest: Deriving Energy From Food

The Green Worlds Gift: Photosynthesis

Preparing for Sexual Reproduction: Meiosis

The First Geneticist: Mendel and His Discoveries

Units of Heredity: Chromosomes and Inheritance

Passing on Lifes Information: Dna Structure and Replication

How Proteins Are Made: Genetic Transcription, translation, and Regulation

The Future Isnt What It Used to Be: Biotechnology

An Introduction to Evolution: Charles Darwin, evolutionary Thought, and the Evidence for Evolution

The Means of Evolution: Microevolution

The Outcomes of Evolution: Macroevolution

A Slow Unfolding: the History of Life on Earth

Arriving Late,traveling Far: the Evolution of Human Beings

Viruses,bacteria,archaea,and Protists: the Diversity of Life 1

Fungi: the Diversity of Life 2

Animals: the Diversity of Life 3

Plants: the Diversity of Life 4

The Angiosperms: Form and Function in Flowering Plants

Body Support and Movement: the Integumentary, skeletal, and Muscular Systems

Communication and Control 1: the Nervous System

Communication and Control 2: the Endocrine System

Defending the Body: the Immune System

Transport and Exchange 1: Blood and Breath

Transport and Exchange 2: Digestion, nutrition, and Elimination

An Amazingly Detailed Script: Animal Development

How the Baby Came to Be: Human Reproduction

An Interactive Living World 1: Populations in Ecology

An Interactive Living World 2: Communities in Ecology

An Interactive Living World 3: Ecosystems and Biomes

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