Question 1

The chromosomes have arrived at opposite poles during

Accepted Answer

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

Question 2

In which of the stages below does each chromosome consist of two DNA molecules? (I. metaphase, II. telophase, III. prophase, IV. anaphase)

Accepted Answer

A)  I, II, and III 
B)  I and III 
C)  I, III, and IV 
D)  I, II, III, and IV 
E)  III and IV 
A)  I, II, and III 
B)  I and III 
C)  I, III, and IV 
D)  I, II, III, and IV 
E)  III and IV

Question 3

What is the function of the histones that are found in a chromosome?

Accepted Answer

A)  They bind nucleotides together to form a single strand of DNA. 
B)  They provide support for the DNA to form into a supercoiled structure. 
C)  They contain the genes that code for various traits. 
D)  They hold the DNA strands together in a form called the double helix. 
A)  They bind nucleotides together to form a single strand of DNA. 
B)  They provide support for the DNA to form into a supercoiled structure. 
C)  They contain the genes that code for various traits. 
D)  They hold the DNA strands together in a form called the double helix.

Question 4

Eukaryotic chromosomes are made up of only DNA.

Accepted Answer

A) True 
 B)False

Question 5

The interval before the onset of DNA replication is

Accepted Answer

A)  the G2 stage. 
B)  all stages. 
C)  the G1 stage. 
D)  the S stage. 
E)  the M stage. 
A)  the G2 stage. 
B)  all stages. 
C)  the G1 stage. 
D)  the S stage. 
E)  the M stage.

Question 6

Which of the following is NOT correct?

Accepted Answer

A)  All somatic cells are produced by mitosis. 
B)  Cytokinesis is a part of mitosis. 
C)  Metaphase occurs before anaphase. 
D)  Mitosis produces genetically identical cells. 
A)  All somatic cells are produced by mitosis. 
B)  Cytokinesis is a part of mitosis. 
C)  Metaphase occurs before anaphase. 
D)  Mitosis produces genetically identical cells.

Question 7

What are enzymes called that control the activities of other proteins by phosphorylating them?

Accepted Answer

A)  kinases 
B)  ATPases 
C)  cyclins 
D)  chromatin 
E)  phosphatases 
A)  kinases 
B)  ATPases 
C)  cyclins 
D)  chromatin 
E)  phosphatases

Question 8

A bacterial cell splits into two new cells by a process called

Accepted Answer

A)  forming a cell furrow. 
B)  mitosis. 
C)  prokaryotic fission. 
D)  forming a cell plate. 
E)  duplication. 
A)  forming a cell furrow. 
B)  mitosis. 
C)  prokaryotic fission. 
D)  forming a cell plate. 
E)  duplication.

Question 9

Cells spend most of their time in what phase?

Accepted Answer

A)  Interphase 
B)  Prophase 
C)  Mitosis 
D)  Cytokinesis 
A)  Interphase 
B)  Prophase 
C)  Mitosis 
D)  Cytokinesis

Question 10

Movement of the chromosomes during anaphase would be most affected by a drug that

Accepted Answer

A)  prevented elongation of microtubules. 
B)  prevented shortening of microtubules. 
C)  increased cyclin concentrations. 
D)  reduced cyclin concentrations. 
E)  prevented attachment of the microtubules to the kinetochore. 
A)  prevented elongation of microtubules. 
B)  prevented shortening of microtubules. 
C)  increased cyclin concentrations. 
D)  reduced cyclin concentrations. 
E)  prevented attachment of the microtubules to the kinetochore.

Question 11

Following telophase in animal cells, a cell plate begins to form.

Accepted Answer

A) True 
 B)False

Question 12

During which phase of mitosis do chromosomes condense?

Accepted Answer

A)  Anaphase 
B)  Prophase 
C)  Metaphase 
D)  Telophase 
A)  Anaphase 
B)  Prophase 
C)  Metaphase 
D)  Telophase

Question 13

The term (from Greek words meaning "cell movement") refers to the division of the cytoplasm.

Accepted Answer

The answer of The term (from Greek words meaning "cell...

Question 14

When a cell divides via asexual reproduction

Accepted Answer

A)  the genetic information is randomly parceled out to the daughter cells. 
B)  each daughter cell receives the same amount of genetic information that was in the parent cell, but it has been altered. 
C)  each daughter cell receives a nearly perfect copy of the parent cell's genetic information. 
D)  each daughter cell receives exactly half the genetic information in the parent cell. 
A)  the genetic information is randomly parceled out to the daughter cells. 
B)  each daughter cell receives the same amount of genetic information that was in the parent cell, but it has been altered. 
C)  each daughter cell receives a nearly perfect copy of the parent cell's genetic information. 
D)  each daughter cell receives exactly half the genetic information in the parent cell.

Question 15

Which of the following are permanently differentiated cells?

Accepted Answer

A)  Bone marrow cells 
B)  Newly formed daughter cells 
C)  Stem cells 
D)  Most brain cells 
A)  Bone marrow cells 
B)  Newly formed daughter cells 
C)  Stem cells 
D)  Most brain cells

Question 16

The distribution of cytoplasm to daughter cells is accomplished during

Accepted Answer

A)  mitosis. 
B)  prokaryotic fission. 
C)  meiosis. 
D)  cytokinesis. 
E)  karyokinesis. 
A)  mitosis. 
B)  prokaryotic fission. 
C)  meiosis. 
D)  cytokinesis. 
E)  karyokinesis.

Question 17

Each chromosome consists of two

Accepted Answer

A)  daughter cells. 
B)  chromatids. 
C)  centrofibers. 
D)  centrioles. 
A)  daughter cells. 
B)  chromatids. 
C)  centrofibers. 
D)  centrioles.

Question 18

During which phase of the eukaryotic cell cycle does DNA and chromosome replication occur?

Accepted Answer

A)  The G1 phase of interphase 
B)  Cytokinesis 
C)  The mitotic phase 
D)  The S phase of interphase 
A)  The G1 phase of interphase 
B)  Cytokinesis 
C)  The mitotic phase 
D)  The S phase of interphase

Question 19

Which of the following organisms does NOT reproduce its cells by mitosis and cytokinesis?

Accepted Answer

A)  A mushroom 
B)  A banana tree 
C)  A cow 
D)  A cockroach 
E)  A bacterium 
A)  A mushroom 
B)  A banana tree 
C)  A cow 
D)  A cockroach 
E)  A bacterium

Question 20

In eukaryotic cells, which of the following can occur during the stages of mitosis?

Accepted Answer

A)  Fragmentation and disappearance of nuclear envelope and nucleolus 
B)  Replication of DNA 
C)  Duplication of chromatids 
D)  Synapsis and crossing over 
E)  All of these 
A)  Fragmentation and disappearance of nuclear envelope and nucleolus 
B)  Replication of DNA 
C)  Duplication of chromatids 
D)  Synapsis and crossing over 
E)  All of these

Exam 9: Cellular Reproduction

The chromosomes have arrived at opposite poles during

In which of the stages below does each chromosome consist of two DNA molecules? (I. metaphase, II. telophase, III. prophase, IV. anaphase)

What is the function of the histones that are found in a chromosome?

Eukaryotic chromosomes are made up of only DNA.

The interval before the onset of DNA replication is

Which of the following is NOT correct?

What are enzymes called that control the activities of other proteins by phosphorylating them?

A bacterial cell splits into two new cells by a process called

Cells spend most of their time in what phase?

Movement of the chromosomes during anaphase would be most affected by a drug that

Following telophase in animal cells, a cell plate begins to form.

During which phase of mitosis do chromosomes condense?

The term (from Greek words meaning "cell movement") refers to the division of the cytoplasm.

When a cell divides via asexual reproduction

Which of the following are permanently differentiated cells?

The distribution of cytoplasm to daughter cells is accomplished during

Each chromosome consists of two

During which phase of the eukaryotic cell cycle does DNA and chromosome replication occur?

Which of the following organisms does NOT reproduce its cells by mitosis and cytokinesis?

In eukaryotic cells, which of the following can occur during the stages of mitosis?

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity II: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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