Question 1

What is the name for the region toward the middle of a replicated chromosome where sister chromatids are connected?

Accepted Answer

A)  centriole 
B)  centromere 
C)  karyotype 
D)  chromatid 
A)  centriole 
B)  centromere 
C)  karyotype 
D)  chromatid B

Question 2

________ are specialized cells (egg cells and sperm cells, for example)used for sexual reproduction.

Accepted Answer

Gametes

Question 3

Which of the following is the correct order of events in the cell cycle?

Accepted Answer

A)  G1, G2, S, mitosis, cytokinesis 
B)  G1, S, G2, mitosis, cytokinesis 
C)  S, G1, G2, cytokinesis, mitosis 
D)  S, G1, G2, mitosis, cytokinesis 
A)  G1, G2, S, mitosis, cytokinesis 
B)  G1, S, G2, mitosis, cytokinesis 
C)  S, G1, G2, cytokinesis, mitosis 
D)  S, G1, G2, mitosis, cytokinesis B

Question 4

Different versions of the same gene are called

Accepted Answer

A)  alleles. 
B)  diploids. 
C)  homologous chromosomes. 
D)  sister chromatids. 
A)  alleles. 
B)  diploids. 
C)  homologous chromosomes. 
D)  sister chromatids.

Question 5

Mutations are only passed from parent to child if the mutation occurs in the gonads that will be used to produce

Accepted Answer

A)  a gamete. 
B)  an autosomal cell. 
C)  a diploid cell. 
D)  telomerase. 
A)  a gamete. 
B)  an autosomal cell. 
C)  a diploid cell. 
D)  telomerase.

Question 6

The members of a pair of nonsex chromosomes are called

Accepted Answer

A)  alleles. 
B)  diploids. 
C)  gametes. 
D)  homologous chromosomes. 
A)  alleles. 
B)  diploids. 
C)  gametes. 
D)  homologous chromosomes.

Question 7

If a double-stranded DNA molecule is like a twisted rope ladder with handrails and steps, what would the steps in the ladder represent?

Accepted Answer

A)  phosphate groups 
B)  sugar (deoxyribose) molecules 
C)  nitrogenous bases 
D)  DNA polymerase 
A)  phosphate groups 
B)  sugar (deoxyribose) molecules 
C)  nitrogenous bases 
D)  DNA polymerase

Question 8

What is the name of the process by which cancer cells break off of tumors and spread to other parts of the body?

Accepted Answer

A)  angiogenesis 
B)  carcinogenesis 
C)  metastasis 
D)  mutagenesis 
A)  angiogenesis 
B)  carcinogenesis 
C)  metastasis 
D)  mutagenesis

Question 9

During which phase of mitosis does the cytoplasm divide?

Accepted Answer

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

Question 10

Bacteria are single cells that replicate themselves by binary fission, resulting in genetically identical daughter cells. These cells undergo

Accepted Answer

A)  sexual reproduction. 
B)  asexual reproduction. 
C)  fertilization. 
D)  condensation. 
A)  sexual reproduction. 
B)  asexual reproduction. 
C)  fertilization. 
D)  condensation.

Question 11

-Use the diagram to complete this sentence. Microtubules connect centrioles to ________ during mitosis.

Accepted Answer

A)  the nuclear envelope 
B)  uncondensed DNA 
C)  cytoplasm 
D)  centromeres 
A)  the nuclear envelope 
B)  uncondensed DNA 
C)  cytoplasm 
D)  centromeres

Question 12

How does crossing over increase genetic diversity?

Accepted Answer

A)  Crossing over increases the number of distinct combinations of genes that may be present in a gamete. 
B)  Crossing over allows specific genes to travel together on one chromosome. 
C)  Crossing over increases the incidence of mutations in genes. 
D)  Crossing over prevents the inheritance of harmful mutations. 
A)  Crossing over increases the number of distinct combinations of genes that may be present in a gamete. 
B)  Crossing over allows specific genes to travel together on one chromosome. 
C)  Crossing over increases the incidence of mutations in genes. 
D)  Crossing over prevents the inheritance of harmful mutations.

Question 13

Which type of cell division produces daughter cells that are identical to the original cell?

Accepted Answer

A)  meiosis in animals 
B)  meiosis in plants 
C)  mitosis in animals 
D)  meiosis in bacteria 
A)  meiosis in animals 
B)  meiosis in plants 
C)  mitosis in animals 
D)  meiosis in bacteria

Question 14

During which part of mitosis does the nuclear envelope break down?

Accepted Answer

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

Question 15

Genes that are located on the same chromosome are called

Accepted Answer

A)  alleles. 
B)  diploid genes. 
C)  homologous genes. 
D)  linked genes. 
A)  alleles. 
B)  diploid genes. 
C)  homologous genes. 
D)  linked genes.

Question 16

Which of the following is a risk factor for colon cancer?

Accepted Answer

A)  advanced age 
B)  high-fiber diet 
C)  asbestos inhalation 
D)  male gender 
A)  advanced age 
B)  high-fiber diet 
C)  asbestos inhalation 
D)  male gender

Question 17

The scientists that first described the structure of DNA were

Accepted Answer

A)  Frankford and Joules. 
B)  Culbertson and Gallo. 
C)  Watson and Crick. 
D)  Cook and Wiley. 
A)  Frankford and Joules. 
B)  Culbertson and Gallo. 
C)  Watson and Crick. 
D)  Cook and Wiley.

Question 18

Which of the following is a phase that occurs during mitosis?

Accepted Answer

A)  first gap phase 
B)  metaphase 
C)  second gap phase 
D)  S phase 
A)  first gap phase 
B)  metaphase 
C)  second gap phase 
D)  S phase

Question 19

A gene that encodes a protein necessary for a cell to stop at checkpoints is an example of a(n)

Accepted Answer

A)  angiogenesis inhibitor. 
B)  growth factor. 
C)  oncogene. 
D)  tumor-suppressor gene. 
A)  angiogenesis inhibitor. 
B)  growth factor. 
C)  oncogene. 
D)  tumor-suppressor gene.

Question 20

Which of the following can neutralize dangerous free radicals within the body?

Accepted Answer

A)  nucleotides from DNA 
B)  antioxidants from dietary fruits and vegetables 
C)  carbohydrates from dietary rice and pasta 
D)  hormones from the ovaries and testes 
A)  nucleotides from DNA 
B)  antioxidants from dietary fruits and vegetables 
C)  carbohydrates from dietary rice and pasta 
D)  hormones from the ovaries and testes

Exam 6: Cancer: DNA Synthesis, Mitosis, and Meiosis

What is the name for the region toward the middle of a replicated chromosome where sister chromatids are connected?

________ are specialized cells (egg cells and sperm cells, for example)used for sexual reproduction.

Which of the following is the correct order of events in the cell cycle?

Different versions of the same gene are called

Mutations are only passed from parent to child if the mutation occurs in the gonads that will be used to produce

The members of a pair of nonsex chromosomes are called

If a double-stranded DNA molecule is like a twisted rope ladder with handrails and steps, what would the steps in the ladder represent?

What is the name of the process by which cancer cells break off of tumors and spread to other parts of the body?

During which phase of mitosis does the cytoplasm divide?

Bacteria are single cells that replicate themselves by binary fission, resulting in genetically identical daughter cells. These cells undergo

-Use the diagram to complete this sentence. Microtubules connect centrioles to ________ during mitosis.

How does crossing over increase genetic diversity?

Which type of cell division produces daughter cells that are identical to the original cell?

During which part of mitosis does the nuclear envelope break down?

Genes that are located on the same chromosome are called

Which of the following is a risk factor for colon cancer?

The scientists that first described the structure of DNA were

Which of the following is a phase that occurs during mitosis?

A gene that encodes a protein necessary for a cell to stop at checkpoints is an example of a(n)

Which of the following can neutralize dangerous free radicals within the body?

Can Science Cure the Common Cold? Introduction to the Scientific Method

Are We Alone in the Universe? Water, Biochemistry, and Cells

Is It Possible to Supplement Your Way to Better Health?

Fat: How Much is Right for You? Enzymes, Metabolism, and Cellular Respiration

Life in the Greenhouse: Photosynthesis and Global Warming

Are You Only as Smart as Your Genes? Mendelian and Quantitative Genetics

DNA Detective: Complex Patterns of Inheritance and DNA Fingerprinting

Genetically Modified Organisms: Gene Expression, Mutation, and Cloning

Where Did We Come From? The Evidence for Evolution

An Evolving Enemy: Natural Selection

Who Am I? Species and Races

Prospecting for Biological Gold: Biodiversity and Classification

Is the Human Population Too Large? Population Ecology

Conserving Biodiversity: Community and Ecosystem Ecology

Where Do You Live? Climate and Biomes

Organ Donation: Tissues Organs and Organ Systems

Clearing the Air: Respiratory Cardiovascular and Excretory Systems

Vaccinations: Protection and Prevention or Peril? Immune System

Sex Differences and Athleticism: Endocrine Skeletal and Muscular Systems

Is There Something in the Water? Reproductive and Developmental Biology

Attention Deficit Disorder: Brain Structure and Function

Feeding the World: Plant Structure and Growth

Growing a Green Thumb: Plant Physiology

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