Question 1

A correct comparison between a benign and a malignant tumor is that ________.

Accepted Answer

A) benign tumors are composed of cancer cells; malignant tumors are not 
B) benign tumors are not the result of a failure of a cell cycle control system; malignant tumors are 
C) benign tumors do not metastasize; malignant tumors do 
D) benign tumors do not form lumps; malignant tumors do form lumps 
A) benign tumors are composed of cancer cells; malignant tumors are not 
B) benign tumors are not the result of a failure of a cell cycle control system; malignant tumors are 
C) benign tumors do not metastasize; malignant tumors do 
D) benign tumors do not form lumps; malignant tumors do form lumps C

Question 2

The type of cell division that produces two genetically identical daughter cells is important for all of the following functions EXCEPT ________.

Accepted Answer

A) growth of a multicellular organism 
B) cell replacement 
C) production of sperm and eggs 
D) asexual reproduction 
A) growth of a multicellular organism 
B) cell replacement 
C) production of sperm and eggs 
D) asexual reproduction C

Question 3

In meiosis, how does prophase I differ from prophase II?

Accepted Answer

A) During prophase I there is one diploid cell; during prophase II there are two haploid cells. 
B) During prophase I chromosomes line up single file in the middle of the cell; during prophase II the chromosomes line up double file in the middle of the cell. 
C) During prophase I the chromosomes coil up; the chromosomes are not coiled up during prophase II. 
D) In prophase I the sister chromatids are attached; in prophase II the sister chromatids are separated. 
A) During prophase I there is one diploid cell; during prophase II there are two haploid cells. 
B) During prophase I chromosomes line up single file in the middle of the cell; during prophase II the chromosomes line up double file in the middle of the cell. 
C) During prophase I the chromosomes coil up; the chromosomes are not coiled up during prophase II. 
D) In prophase I the sister chromatids are attached; in prophase II the sister chromatids are separated. A

Question 4

A promising new type of cancer treatment, immunotherapy, may involve all but one of these treatments. Choose the EXCEPTION.

Accepted Answer

A) increasing the effectiveness of the body's own immune response to cancer cells 
B) creating proteins that kill cancer cells and giving them to the cancer patient 
C) injecting molecules harvested from other cured cancer patients into the patient with cancer 
A) increasing the effectiveness of the body's own immune response to cancer cells 
B) creating proteins that kill cancer cells and giving them to the cancer patient 
C) injecting molecules harvested from other cured cancer patients into the patient with cancer

Question 5

This diagram of the human life cycle shows that ________.

Accepted Answer

A) meiosis produces a diploid zygote 
B) meiosis produces haploid sperm and egg cells 
C) fertilization produces a haploid zygote 
D) a diploid zygote undergoes meiosis to produce an adult human 
A) meiosis produces a diploid zygote 
B) meiosis produces haploid sperm and egg cells 
C) fertilization produces a haploid zygote 
D) a diploid zygote undergoes meiosis to produce an adult human

Question 6

-The 2n number for the cell depicted here is ________.

Accepted Answer

A) one 
B) two 
C) four 
D) eight 
A) one 
B) two 
C) four 
D) eight

Question 7

Crossing over during prophase I results in ________.

Accepted Answer

A) nondisjunction 
B) reciprocal translocation 
C) duplication 
D) genetic recombination 
A) nondisjunction 
B) reciprocal translocation 
C) duplication 
D) genetic recombination

Question 8

Bdelloid rotifers appear to reproduce only asexually. Which outcome, if found in this group, would demonstrate that sexual reproduction may occur?

Accepted Answer

A) female rotifers with eggs 
B) significant differences of two different alleles among different populations (one population having mostly allele A and one having mostly a) 
C) cells in which meiosis occurs 
D) related groups (not bdelloid rotifers)which reproduce both sexually and asexually 
A) female rotifers with eggs 
B) significant differences of two different alleles among different populations (one population having mostly allele A and one having mostly a) 
C) cells in which meiosis occurs 
D) related groups (not bdelloid rotifers)which reproduce both sexually and asexually

Question 9

________ is a stage of mitosis.

Accepted Answer

A) Cytokinesis 
B) Telophase 
C) Interphase 
D) DNA synthesis 
A) Cytokinesis 
B) Telophase 
C) Interphase 
D) DNA synthesis

Question 10

The CORRECT sequence of stages of mitosis is ________.

Accepted Answer

A) prophase, metaphase, anaphase, telophase 
B) telophase, prophase, anaphase, metaphase 
C) anaphase, interphase, prophase, metaphase, telophase 
A) prophase, metaphase, anaphase, telophase 
B) telophase, prophase, anaphase, metaphase 
C) anaphase, interphase, prophase, metaphase, telophase

Question 11

Eukaryotic cells have their chromosomes packaged in the ________.

Accepted Answer

A) nucleus 
B) centriole 
C) Golgi apparatus 
D) nucleolus 
A) nucleus 
B) centriole 
C) Golgi apparatus 
D) nucleolus

Question 12

A cell that completed the cell cycle without undergoing cytokinesis would ________.

Accepted Answer

A) have less genetic material than it started with 
B) not have completed anaphase 
C) have its chromosomes lined up in the middle of the cell 
D) have two nuclei 
A) have less genetic material than it started with 
B) not have completed anaphase 
C) have its chromosomes lined up in the middle of the cell 
D) have two nuclei

Question 13

Which event occurs during anaphase?

Accepted Answer

A) Sister chromatids become separate chromosomes. 
B) Chromosomes line up in the middle of the cell. 
C) The nuclear envelope breaks up. 
A) Sister chromatids become separate chromosomes. 
B) Chromosomes line up in the middle of the cell. 
C) The nuclear envelope breaks up.

Question 14

Homologous chromosomes ________.

Accepted Answer

A) carry genes controlling the same inherited characteristics 
B) are a set of chromosomes received from one parent during sexual reproduction 
C) carry the same versions of all genes 
A) carry genes controlling the same inherited characteristics 
B) are a set of chromosomes received from one parent during sexual reproduction 
C) carry the same versions of all genes

Question 15

A duplicated chromosome consists of two ________.

Accepted Answer

A) centromeres 
B) centrosomes 
C) genomes 
D) sister chromatids 
A) centromeres 
B) centrosomes 
C) genomes 
D) sister chromatids

Question 16

What happens during prophase?

Accepted Answer

A) Chromosomes line up on the midline of the cell. 
B) The nuclear envelope forms. 
C) Sister chromatids separate. 
D) The mitotic spindle begins to form. 
A) Chromosomes line up on the midline of the cell. 
B) The nuclear envelope forms. 
C) Sister chromatids separate. 
D) The mitotic spindle begins to form.

Question 17

What is the chromosome composition of a normal human female?

Accepted Answer

A) 22 autosomes and 2 X chromosomes 
B) 44 autosomes and 2 X chromosomes 
C) 44 autosomes, 1 X chromosome, and 1 Y chromosome 
D) 46 autosomes and 2 X chromosomes 
A) 22 autosomes and 2 X chromosomes 
B) 44 autosomes and 2 X chromosomes 
C) 44 autosomes, 1 X chromosome, and 1 Y chromosome 
D) 46 autosomes and 2 X chromosomes

Question 18

Chromosomes that do NOT determine the sex of an individual are called ________.

Accepted Answer

A) homologous chromosomes 
B) nonhomologous chromosomes 
C) sex chromosomes 
D) autosomes 
A) homologous chromosomes 
B) nonhomologous chromosomes 
C) sex chromosomes 
D) autosomes

Question 19

If organisms reproduced sexually but without meiosis, what would result?

Accepted Answer

A) The resulting organisms would be haploid. 
B) The gametes would be haploid. 
C) The chromosome number would double each generation. 
D) The zygote would be unable to divide. 
A) The resulting organisms would be haploid. 
B) The gametes would be haploid. 
C) The chromosome number would double each generation. 
D) The zygote would be unable to divide.

Question 20

During metaphase, ________.

Accepted Answer

A) the nuclear envelope breaks up 
B) sister chromatids move near the poles 
C) centrosomes divide 
D) chromosomes line up in the middle of the cell 
A) the nuclear envelope breaks up 
B) sister chromatids move near the poles 
C) centrosomes divide 
D) chromosomes line up in the middle of the cell

Exam 8: Cellular Reproduction: Cells From Cells

A correct comparison between a benign and a malignant tumor is that ________.

The type of cell division that produces two genetically identical daughter cells is important for all of the following functions EXCEPT ________.

In meiosis, how does prophase I differ from prophase II?

A promising new type of cancer treatment, immunotherapy, may involve all but one of these treatments. Choose the EXCEPTION.

This diagram of the human life cycle shows that ________.

-The 2n number for the cell depicted here is ________.

Crossing over during prophase I results in ________.

Bdelloid rotifers appear to reproduce only asexually. Which outcome, if found in this group, would demonstrate that sexual reproduction may occur?

________ is a stage of mitosis.

The CORRECT sequence of stages of mitosis is ________.

Eukaryotic cells have their chromosomes packaged in the ________.

A cell that completed the cell cycle without undergoing cytokinesis would ________.

Which event occurs during anaphase?

Homologous chromosomes ________.

A duplicated chromosome consists of two ________.

What happens during prophase?

What is the chromosome composition of a normal human female?

Chromosomes that do NOT determine the sex of an individual are called ________.

If organisms reproduced sexually but without meiosis, what would result?

During metaphase, ________.

Learning About Life

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy From Food

Photosynthesis: Using Light to Make Food

Patterns of Inheritance

The Structure and Function of Dna

How Genes Are Controlled

Dna Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

The Evolution of Plants and Fungi

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Bodys Defenses

Hormones

Reproduction and Development

Nervous, Sensory, and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

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