Question 1

Cloning can only be carried out using adult stem cells.

Accepted Answer

A) True 
 B)False

Question 2

Male honeybees are haploid (n)while the females are diploid (2n).Based on this information,which of the following are true statements?

Accepted Answer

A) A single set of chromosomes is sufficient to code for a functional individual. 
B) As compared to a female,a male honeybee has half the amount of DNA. 
C) As compared to the females,male honeybees have twice the number of chromosomes. 
D) Only A and B are true. 
A) A single set of chromosomes is sufficient to code for a functional individual. 
B) As compared to a female,a male honeybee has half the amount of DNA. 
C) As compared to the females,male honeybees have twice the number of chromosomes. 
D) Only A and B are true.

Question 3

Eukaryotic chromosomes

Accepted Answer

A) consist of both DNA and protein. 
B) may occur as chromatin. 
C) contain histones responsible for packaging DNA to fit into a small space. 
D) All of the choices are correct. 
E) Only A and B are correct. 
A) consist of both DNA and protein. 
B) may occur as chromatin. 
C) contain histones responsible for packaging DNA to fit into a small space. 
D) All of the choices are correct. 
E) Only A and B are correct.

Question 4

What phase of mitosis is pictured?

Accepted Answer

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

Question 5

Cytokinesis in plant cells differs from animal cells because

Accepted Answer

A) the lysosomes within the plant cell forms a cell plate. 
B) microtubules are used to form the cell plate. 
C) the Golgi apparatus produces vesicles that migrate along microtubules and fuse to become a cell plate. 
D) the inner plasma membrane divides by cytokinesis as in animal cells and then secretes a cellulose cell wall. 
A) the lysosomes within the plant cell forms a cell plate. 
B) microtubules are used to form the cell plate. 
C) the Golgi apparatus produces vesicles that migrate along microtubules and fuse to become a cell plate. 
D) the inner plasma membrane divides by cytokinesis as in animal cells and then secretes a cellulose cell wall.

Question 6

Organisms produced as a result of mitosis exhibit a great deal of genetic variation.

Accepted Answer

A) True 
 B)False

Question 7

Contact inhibition stops normal cells from dividing when they come in contact with neighboring cells,but this is not functional in cancer cells.

Accepted Answer

A) True 
 B)False

Question 8

What phase of mitosis is pictured?

Accepted Answer

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

Question 9

The purpose of therapeutic cloning is

Accepted Answer

A) to produce an individual to the donor of the nucleus. 
B) to produce specialized tissue cells. 
C) to stimulate cells that have been arrested in the S phase. 
D) None of the answer choices are correct. 
A) to produce an individual to the donor of the nucleus. 
B) to produce specialized tissue cells. 
C) to stimulate cells that have been arrested in the S phase. 
D) None of the answer choices are correct.

Question 10

Which of the following events does NOT occur during telophase?

Accepted Answer

A) The beginning of cytokinesis 
B) The nuclear envelope is reconstructed. 
C) The centromeres split apart. 
D) Chromosomes de-condense into chromatin. 
E) The nucleolus reforms. 
A) The beginning of cytokinesis 
B) The nuclear envelope is reconstructed. 
C) The centromeres split apart. 
D) Chromosomes de-condense into chromatin. 
E) The nucleolus reforms.

Question 11

Answer the following questions concerning the following figure.   A.Name the structure labeled "A."
B.What process is occurring in the figure?
C.Is this an animal or plant cell? Explain

Accepted Answer

A."A" is the cleavage furrow. B.Cytokine

Question 12

All of the following are characteristics of oncogenes EXCEPT

Accepted Answer

A) they are mutated proto-oncogenes. 
B) they cause cancer. 
C) they are genes that stimulate uncontrolled cell division. 
D) they are tumor suppressor genes. 
A) they are mutated proto-oncogenes. 
B) they cause cancer. 
C) they are genes that stimulate uncontrolled cell division. 
D) they are tumor suppressor genes.

Question 13

What occurs in anaphase?

Accepted Answer

A) Centrioles move to opposite poles. 
B) Chromatids are separated and move to opposite poles. 
C) Chromosomes line up along the equator of the dividing cell. 
D) The nuclear envelope disappears. 
E) The nuclear envelope is constructed. 
A) Centrioles move to opposite poles. 
B) Chromatids are separated and move to opposite poles. 
C) Chromosomes line up along the equator of the dividing cell. 
D) The nuclear envelope disappears. 
E) The nuclear envelope is constructed.

Question 14

All of the following are true about the chromosomes of a multicellular organism EXCEPT:

Accepted Answer

A) They are made up of DNA and protein. 
B) Each chromosome is replicated into two chromatids during the S phase of interphase. 
C) Each chromosome separates into two daughter chromosomes by binary fission. 
D) All cells contain chromosomes that carry the same genetic information. 
A) They are made up of DNA and protein. 
B) Each chromosome is replicated into two chromatids during the S phase of interphase. 
C) Each chromosome separates into two daughter chromosomes by binary fission. 
D) All cells contain chromosomes that carry the same genetic information.

Question 15

Although cancer may originate in many regions of the body,why do many patients die from cancerous growth in the lungs,lymph glands,or liver?

Accepted Answer

A) Cancer in these areas of the body spread easily by angiogenesis. 
B) Metastasis occurs more commonly in these organs because they have a filter effect. 
C) These organs are more significantly damaged by proteinase enzymes. 
D) Cancerous growth in all other areas of the body is benign. 
A) Cancer in these areas of the body spread easily by angiogenesis. 
B) Metastasis occurs more commonly in these organs because they have a filter effect. 
C) These organs are more significantly damaged by proteinase enzymes. 
D) Cancerous growth in all other areas of the body is benign.

Question 16

Which of the following is/are true statements about mitosis? Select all that apply.

Accepted Answer

A) Animal cells,but not plant cells,have centrioles. 
B) Both plant and animal cells undergo cytokinesis. 
C) Mitosis is the process by which both plants and animals grow in size. 
D) Animal cells form a cell plate during cytokinesis while plant cells form a cleavage furrow and then pinch into two daughter cells. 
A) Animal cells,but not plant cells,have centrioles. 
B) Both plant and animal cells undergo cytokinesis. 
C) Mitosis is the process by which both plants and animals grow in size. 
D) Animal cells form a cell plate during cytokinesis while plant cells form a cleavage furrow and then pinch into two daughter cells.

Question 17

Apoptosis refers to cell death and

Accepted Answer

A) is always biologically detrimental to an organism. 
B) is merely the accumulation of genetic errors. 
C) is any failure of the genetic machinery to work properly. 
D) is a failure in the translation or transcription mechanism. 
E) can be programmed and is essential to normal development. 
A) is always biologically detrimental to an organism. 
B) is merely the accumulation of genetic errors. 
C) is any failure of the genetic machinery to work properly. 
D) is a failure in the translation or transcription mechanism. 
E) can be programmed and is essential to normal development.

Exam 9: The Cell Cycle and Cellular Reproduction

Cloning can only be carried out using adult stem cells.

Male honeybees are haploid (n)while the females are diploid (2n).Based on this information,which of the following are true statements?

Eukaryotic chromosomes

What phase of mitosis is pictured?

Cytokinesis in plant cells differs from animal cells because

Organisms produced as a result of mitosis exhibit a great deal of genetic variation.

Contact inhibition stops normal cells from dividing when they come in contact with neighboring cells,but this is not functional in cancer cells.

What phase of mitosis is pictured?

The purpose of therapeutic cloning is

Which of the following events does NOT occur during telophase?

Answer the following questions concerning the following figure. A.Name the structure labeled "A." B.What process is occurring in the figure? C.Is this an animal or plant cell? Explain

All of the following are characteristics of oncogenes EXCEPT

What occurs in anaphase?

All of the following are true about the chromosomes of a multicellular organism EXCEPT:

Although cancer may originate in many regions of the body,why do many patients die from cancerous growth in the lungs,lymph glands,or liver?

Which of the following is/are true statements about mitosis? Select all that apply.

Apoptosis refers to cell death and

A View of Life

Basic Chemistry

The Chemistry of Organic Molecules

Cell Structure and Function

Membrane Structure and Function

Metabolism: Energy and Enzymes

Photosynthesis

Cellular Respiration

Meiosis and Sexual Reproduction

Mendelian Patterns of Inheritance

Molecular Biology of the Gene

Regulation of Gene Expression

Biotechnology and Genomics

Darwin and Evolution

How Populations Evolve

Speciation and Macroevolution

Origin and History of Life

Taxonomy,systematics,and Phylogeny

Viruses,bacteria,and Archaea

Protist Evolution and Diversity

Fungi Evolution and Diversity

Plant Evolution and Diversity

Flowering Plants: Structure and Organization

Flowering Plants: Nutrition and Transport

Flowering Plants: Control of Growth Responses

Flowering Plants: Reproduction

Invertebrate Evolution

Vertebrate Evolution

Human Evolution

Animal Organization and Homeostasis

Circulation and Cardiovascular Systems

The Lymphatic and Immune Systems

Digestive Systems and Nutrition

Respiratory Systems

Body Fluid Regulation and Excretory Systems

Neurons and Nervous Systems

Sense Organs

Locomotion and Support Systems

Hormones and Endocrine Systems

Reproductive Systems

Animal Development and Aging

Behavioral Ecology

Population Ecology

Community and Ecosystem Ecology

Major Ecosystems of the Biosphere

Conservation of Biodiversity

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