Question 1

What is the longest- lasting phase of the prokaryotic cell cycle?

Accepted Answer

A)  Cell growth and DNA replication 
B)  Fission of the plasma membranes at the cell equator 
C)  Meiosis 
D)  Prokaryotic fission 
A)  Cell growth and DNA replication 
B)  Fission of the plasma membranes at the cell equator 
C)  Meiosis 
D)  Prokaryotic fission A

Question 2

The spindle apparatus begins to become visible during

Accepted Answer

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

Question 3

The terminal ends or "tips" of a chromosome are called

Accepted Answer

A)  chromatids. 
B)  centromeres. 
C)  genes. 
D)  telomeres. 
E)  loci. 
A)  chromatids. 
B)  centromeres. 
C)  genes. 
D)  telomeres. 
E)  loci. D

Question 4

The eukaryotic cell cycle consists of two phases, interphase and mitotic cell division. What are the substages that take place within each of these two phases?

Accepted Answer

Interphase consists of G1, S,

Question 5

How do prokaryotic and eukaryotic chromosomes differ?

Accepted Answer

A)  Prokaryotic chromosomes are not contained in a membrane- bound organelle. 
B)  Prokaryotic chromosomes are not made from nucleotides. 
C)  Eukaryotic chromosomes occur singly, and prokaryotic chromosomes occur as pairs. 
D)  Genetic information is stored as DNA in eukaryotic cells and as proteins in prokaryotic cells. 
A)  Prokaryotic chromosomes are not contained in a membrane- bound organelle. 
B)  Prokaryotic chromosomes are not made from nucleotides. 
C)  Eukaryotic chromosomes occur singly, and prokaryotic chromosomes occur as pairs. 
D)  Genetic information is stored as DNA in eukaryotic cells and as proteins in prokaryotic cells.

Question 6

Cancer is essentially

Accepted Answer

A)  a never- ending repetition of the S phase of the cell cycle. 
B)  the binding of cyclins and Cdks. 
C)  the creation of extra checkpoints in the cell cycle. 
D)  unregulated mitotic cell division. 
A)  a never- ending repetition of the S phase of the cell cycle. 
B)  the binding of cyclins and Cdks. 
C)  the creation of extra checkpoints in the cell cycle. 
D)  unregulated mitotic cell division.

Question 7

Chromosome replication takes place during interphase.

Accepted Answer

A) True 
 B)False

Question 8

The chromosomes and genes are actually replicated during

Accepted Answer

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

Question 9

Four of the five answers listed below are events occurring during mitosis. Select the exception.

Accepted Answer

A)  Chromosome replication 
B)  Attachment of spindle microtubules to centromeres 
C)  Division of centromere 
D)  Lining up of chromosomes at the cellular equator 
E)  Migration of chromosomes to opposite ends of the cell 
A)  Chromosome replication 
B)  Attachment of spindle microtubules to centromeres 
C)  Division of centromere 
D)  Lining up of chromosomes at the cellular equator 
E)  Migration of chromosomes to opposite ends of the cell

Question 10

In prokaryotes, the term prokaryotic fission specifically refers to

Accepted Answer

A)  the growth phase of the cell cycle. 
B)  the addition of a new plasma membrane between what will become two daughter cells. 
C)  asexual reproduction. 
D)  the attachment of replicated DNA to the plasma membrane. 
A)  the growth phase of the cell cycle. 
B)  the addition of a new plasma membrane between what will become two daughter cells. 
C)  asexual reproduction. 
D)  the attachment of replicated DNA to the plasma membrane.

Question 11

Growth factors stimulate

Accepted Answer

A)  the cell to ignore the checkpoints of the cell cycle. 
B)  cells to divide. 
C)  the cell to skip the S and G1 phases of interphase and undergo mitosis directly. 
D)  Cdks to synthesize enzymes that digest cyclins. 
A)  the cell to ignore the checkpoints of the cell cycle. 
B)  cells to divide. 
C)  the cell to skip the S and G1 phases of interphase and undergo mitosis directly. 
D)  Cdks to synthesize enzymes that digest cyclins.

Question 12

Which of the following statements is FALSE?

Accepted Answer

A)  Genes and chromosomes are duplicated during prophase. 
B)  Each species has a specific number of chromosomes. 
C)  Homologous chromosomes do not pair during mitosis. 
D)  New nuclei are formed during telophase. 
A)  Genes and chromosomes are duplicated during prophase. 
B)  Each species has a specific number of chromosomes. 
C)  Homologous chromosomes do not pair during mitosis. 
D)  New nuclei are formed during telophase.

Question 13

Which statement is TRUE of the behavior of chromosomes in mitosis?

Accepted Answer

A)  Each new cell receives copies of all the original chromosomes. 
B)  If the original number of chromosomes was 46, each new cell will have 23. 
C)  Each new cell receives half of the number of chromosomes in the original cell. 
D)  All chromosomes are duplicated except the sex chromosomes. 
E)  The sister chromosomes are not identical because of breakages in the DNA. 
A)  Each new cell receives copies of all the original chromosomes. 
B)  If the original number of chromosomes was 46, each new cell will have 23. 
C)  Each new cell receives half of the number of chromosomes in the original cell. 
D)  All chromosomes are duplicated except the sex chromosomes. 
E)  The sister chromosomes are not identical because of breakages in the DNA.

Question 14

What sugar is found in DNA nucleotides?

Accepted Answer

The answer of What sugar is found in DNA nucleotides?...

Question 15

Cdks are activated only when they bind to

Accepted Answer

A)  cyclin. 
B)  chromatids. 
C)  cytosine. 
D)  centrioles. 
A)  cyclin. 
B)  chromatids. 
C)  cytosine. 
D)  centrioles.

Question 16

The site on a chromosome where microtubules attach during cell division is the

Accepted Answer

A)  telomere. 
B)  histone. 
C)  chromatid. 
D)  locus. 
E)  centromere. 
A)  telomere. 
B)  histone. 
C)  chromatid. 
D)  locus. 
E)  centromere.

Question 17

Name the four different nitrogen- containing bases that are found in DNA.

Accepted Answer

adenine, t

Question 18

A phosphate group binds to what molecule to create the "backbone" of the DNA molecule?

Accepted Answer

A)  Adenine 
B)  Other phosphate molecules 
C)  Ribose 
D)  Deoxyribose 
A)  Adenine 
B)  Other phosphate molecules 
C)  Ribose 
D)  Deoxyribose

Question 19

The chromatids detach from one another and become visibly separate chromosomes during

Accepted Answer

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

Question 20

What does the bacterial genome consist of?

Accepted Answer

A)  Several circular DNA molecules 
B)  One circular RNA molecule 
C)  One circular DNA molecule 
D)  Many rod- like DNA molecules with protein 
E)  DNA in mitochondria 
A)  Several circular DNA molecules 
B)  One circular RNA molecule 
C)  One circular DNA molecule 
D)  Many rod- like DNA molecules with protein 
E)  DNA in mitochondria

Exam 9: Cellular Reproduction

What is the longest- lasting phase of the prokaryotic cell cycle?

The spindle apparatus begins to become visible during

The terminal ends or "tips" of a chromosome are called

The eukaryotic cell cycle consists of two phases, interphase and mitotic cell division. What are the substages that take place within each of these two phases?

How do prokaryotic and eukaryotic chromosomes differ?

Cancer is essentially

Chromosome replication takes place during interphase.

The chromosomes and genes are actually replicated during

Four of the five answers listed below are events occurring during mitosis. Select the exception.

In prokaryotes, the term prokaryotic fission specifically refers to

Growth factors stimulate

Which of the following statements is FALSE?

Which statement is TRUE of the behavior of chromosomes in mitosis?

What sugar is found in DNA nucleotides?

Cdks are activated only when they bind to

The site on a chromosome where microtubules attach during cell division is the

Name the four different nitrogen- containing bases that are found in DNA.

A phosphate group binds to what molecule to create the "backbone" of the DNA molecule?

The chromatids detach from one another and become visibly separate chromosomes during

What does the bacterial genome consist of?

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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