Question 1

Cells that demonstrate anchorage independence

Accepted Answer

A) exist in G₀. 
B) are primed to become metastatic. 
C) closely monitor their progression through the cell cycle. 
D) are benign tumors that are of little concern. 
A) exist in G₀. 
B) are primed to become metastatic. 
C) closely monitor their progression through the cell cycle. 
D) are benign tumors that are of little concern. B

Question 2

In order to increase their supply of nutrients, tumors undergo ________, the formation of new blood vessels.

Accepted Answer

angiogenesis

Question 3

Cancers are groups of cells that divide rapidly and uncontrollably. Thus, cancer cells

Accepted Answer

A) are always in the G₀ phase. 
B) never enter the cell cycle. 
C) have a relatively short G₁ phase. 
D) are stuck at the metaphase plate. 
A) are always in the G₀ phase. 
B) never enter the cell cycle. 
C) have a relatively short G₁ phase. 
D) are stuck at the metaphase plate. C

Question 4

The goal of ________ is to increase genetic diversity by creating a new diploid individual from haploid cells.

Accepted Answer

The answer of The goal of ________ is to increase...

Question 5

Match the stage of the cell cycle with the appropriate description.
-S phase

Accepted Answer

A) Duplicated chromosomes are separated during this phase. 
B) Cells prepare to divide and check that the proper steps have occurred for division. 
C) Phase in which cells duplicate the genetic material. 
D) Resting stage assumed by cells that exit the cell cycle. 
E) Two new daughter cells grow in preparation for division. 
A) Duplicated chromosomes are separated during this phase. 
B) Cells prepare to divide and check that the proper steps have occurred for division. 
C) Phase in which cells duplicate the genetic material. 
D) Resting stage assumed by cells that exit the cell cycle. 
E) Two new daughter cells grow in preparation for division.

Question 6

Which of the following accurately describes crossing over?

Accepted Answer

A) Sister chromatids of maternal chromosome 1 exchange segments of genetic information with one another. 
B) Maternal chromosome 3 exchanges segments of DNA with paternal chromosome 21. 
C) Sister chromatids of paternal chromosome 1 exchange segments of genetic information with one another. 
D) Paternal chromosome 7 exchanges segments of DNA with maternal chromosome 7. 
A) Sister chromatids of maternal chromosome 1 exchange segments of genetic information with one another. 
B) Maternal chromosome 3 exchanges segments of DNA with paternal chromosome 21. 
C) Sister chromatids of paternal chromosome 1 exchange segments of genetic information with one another. 
D) Paternal chromosome 7 exchanges segments of DNA with maternal chromosome 7.

Question 7

What are the stages of interphase?

Accepted Answer

A) G₀, G₁, and G₂ 
B) S₁, S₂, and G₀ 
C) G₀, G₁, and S 
D) S, G₁, and G₂ 
A) G₀, G₁, and G₂ 
B) S₁, S₂, and G₀ 
C) G₀, G₁, and S 
D) S, G₁, and G₂

Question 8

What is the significance of crossing over?

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 9

Which of the following best exemplifies homologous chromosomes?

Accepted Answer

A) a pair of sister chromatids attached at the centromere 
B) unpackaged DNA 
C) a tetrad 
D) the mitotic spindle 
A) a pair of sister chromatids attached at the centromere 
B) unpackaged DNA 
C) a tetrad 
D) the mitotic spindle

Question 10

When appropriately prompted, diploid individuals of Ulva prolifera form spores that germinate to become haploid individuals. How might diploid individuals be created to complete the life cycle?

Accepted Answer

A) Haploid individuals meiotically produce egg and sperm cells, which subsequently fuse. 
B) Some haploid individuals experience mitosis without cytokinesis followed by nuclear fusion. 
C) Some individuals differentiate to become haploid gametes and then fuse to produce a diploid zygote. 
D) Haploid individuals experience two sequential S phases in their cell cycle to reestablish the diploid state. 
A) Haploid individuals meiotically produce egg and sperm cells, which subsequently fuse. 
B) Some haploid individuals experience mitosis without cytokinesis followed by nuclear fusion. 
C) Some individuals differentiate to become haploid gametes and then fuse to produce a diploid zygote. 
D) Haploid individuals experience two sequential S phases in their cell cycle to reestablish the diploid state.

Question 11

All of the following contribute to genetic uniqueness EXCEPT

Accepted Answer

A) binary fission. 
B) independent assortment. 
C) crossing over. 
D) random fertilization. 
A) binary fission. 
B) independent assortment. 
C) crossing over. 
D) random fertilization.

Question 12

Which of the following pairs of processes encompasses the entire cell cycle?

Accepted Answer

A) G₁ phase and mitosis 
B) G₁ phase and G₂ phase 
C) interphase and metaphase 
D) cell division and interphase 
A) G₁ phase and mitosis 
B) G₁ phase and G₂ phase 
C) interphase and metaphase 
D) cell division and interphase

Question 13

A cell containing 56 chromosomes is undergoing meiosis. Explain how chromosome number changes as the cells proceed through meiosis.

Accepted Answer

A cell whose diploid chromosome number i

Question 14

In the space provided below, diagram the major events of the cell cycle. Describe the processes that occur during each of these major stages.

Accepted Answer

Students should draw a circular picture

Question 15

According to the image below, during which phase of the cell cycle is the genetic material evenly partitioned between daughter cells?

Accepted Answer

A) Region 1 
B) Region 2 
C) Region 5 
D) Region 6 
A) Region 1 
B) Region 2 
C) Region 5 
D) Region 6

Question 16

According to the image below, during which phase of the cell cycle does the cell increase in size in preparation for division?

Accepted Answer

A) Region 1 
B) Region 2 
C) Region 3 
D) Region 4 
A) Region 1 
B) Region 2 
C) Region 3 
D) Region 4

Question 17

Which of the following is a difference between binary fission and mitosis?

Accepted Answer

A) replication of the genetic material 
B) breakdown of the nuclear envelope 
C) cell growth and expansion 
D) increase in cytoplasmic factors 
A) replication of the genetic material 
B) breakdown of the nuclear envelope 
C) cell growth and expansion 
D) increase in cytoplasmic factors

Question 18

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) They do not join together during meiosis. 
D) They carry the same genes. 
A) They both came from the organism's mother. 
B) They both came from the organism's father. 
C) They do not join together during meiosis. 
D) They carry the same genes.

Question 19

Chromosomes are lined up at the middle of the cell during the ________ portion of cell division.

Accepted Answer

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

Question 20

A pool of cells is treated with a chemical that halts progress through the cell cycle. In which stage of the cell cycle would most cells be found?

Accepted Answer

A) metaphase 
B) interphase 
C) anaphase 
D) cytokinesis 
A) metaphase 
B) interphase 
C) anaphase 
D) cytokinesis

Exam 5: Cell Division

Cells that demonstrate anchorage independence

In order to increase their supply of nutrients, tumors undergo ________, the formation of new blood vessels.

Cancers are groups of cells that divide rapidly and uncontrollably. Thus, cancer cells

The goal of ________ is to increase genetic diversity by creating a new diploid individual from haploid cells.

Match the stage of the cell cycle with the appropriate description. -S phase

Which of the following accurately describes crossing over?

What are the stages of interphase?

What is the significance of crossing over?

Which of the following best exemplifies homologous chromosomes?

When appropriately prompted, diploid individuals of Ulva prolifera form spores that germinate to become haploid individuals. How might diploid individuals be created to complete the life cycle?

All of the following contribute to genetic uniqueness EXCEPT

Which of the following pairs of processes encompasses the entire cell cycle?

A cell containing 56 chromosomes is undergoing meiosis. Explain how chromosome number changes as the cells proceed through meiosis.

In the space provided below, diagram the major events of the cell cycle. Describe the processes that occur during each of these major stages.

According to the image below, during which phase of the cell cycle is the genetic material evenly partitioned between daughter cells?

According to the image below, during which phase of the cell cycle does the cell increase in size in preparation for division?

Which of the following is a difference between binary fission and mitosis?

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

Chromosomes are lined up at the middle of the cell during the ________ portion of cell division.

A pool of cells is treated with a chemical that halts progress through the cell cycle. In which stage of the cell cycle would most cells be found?

The Nature of Science

Chemistry of Life

Life Is Cellular

How Cells Work

Patterns of Inheritance

Chromosomes and Human Genetics

What Genes Are

How Genes Work

Evidence for Evolution

Mechanisms of Evolution

Adaptation and Species

The History of Life

Human Evolution

General Principles of Ecology

Growth of Populations

Communities of Organisms

Ecosystems

Homeostasis, Reproduction, and Development

Digestive, Muscular, and Skeletal Systems

Circulatory, Respiratory, Urinary, and Nervous Systems

Endocrine and Immune Systems

Plant Physiology

Applying the Science

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