Question 1

Apoptosis could explain the death of lines of cells in palm leaves that lead to separate "fingers" in the structure of those leaves.

Accepted Answer

A) True 
 B)False

Question 2

The phase of mitosis in which the chromosomes are aligned along the equator of the cell is

Accepted Answer

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

Question 3

The division of the nucleus during the eukaryotic cell cycle is

Accepted Answer

A)  mitosis. 
B)  interphase. 
C)  synthesis. 
D)  cytokinesis. 
E)  replication. 
A)  mitosis. 
B)  interphase. 
C)  synthesis. 
D)  cytokinesis. 
E)  replication.

Question 4

If you were watching a cell undergoing a doubling of the DNA in its nucleus,you would be observing

Accepted Answer

A)  protein synthesis. 
B)  aerobic respiration. 
C)  replication. 
D)  substrate-phosphorylation. 
E)  photosynthesis. 
A)  protein synthesis. 
B)  aerobic respiration. 
C)  replication. 
D)  substrate-phosphorylation. 
E)  photosynthesis.

Question 5

Adaptive therapy aims to combat ________ amongst cancer cells that leads to tumor growth continuing even after therapy treatments.

Accepted Answer

A)  cooperation 
B)  camoflauge 
C)  colegiality 
D)  competition 
E)  cohesiveness 
A)  cooperation 
B)  camoflauge 
C)  colegiality 
D)  competition 
E)  cohesiveness

Question 6

DNA's sugar-phosphate backbones are joined with

Accepted Answer

A)  ionic bonds. 
B)  hydrogen bonds. 
C)  weak chemical bonds. 
D)  covalent bonds. 
E)  No answer is correct. 
A)  ionic bonds. 
B)  hydrogen bonds. 
C)  weak chemical bonds. 
D)  covalent bonds. 
E)  No answer is correct.

Question 7

Semiconservative DNA replication comes from the basepairing that is part of the basic structure of the DNA double helix.

Accepted Answer

A) True 
 B)False

Question 8

Apoptosis could be used to limit the spread of an intracellular disease-causing agent by isolating it with dead cells.

Accepted Answer

A) True 
 B)False

Question 9

Some risk of cancer comes from genetic issues.

Accepted Answer

A) True 
 B)False

Question 10

In an asexual life cycle,cells reproduce by

Accepted Answer

A)  meiosis. 
B)  fertilization. 
C)  meiosis and fertilization. 
D)  mitosis. 
E)  All answers are correct. 
A)  meiosis. 
B)  fertilization. 
C)  meiosis and fertilization. 
D)  mitosis. 
E)  All answers are correct.

Question 11

The two main stages of the eukaryotic cell cycle are

Accepted Answer

A)  interphase and cytokinesis. 
B)  interphase and mitosis. 
C)  mitosis and cytokinesis. 
D)  interphase and prophase. 
E)  mitosis and meiosis. 
A)  interphase and cytokinesis. 
B)  interphase and mitosis. 
C)  mitosis and cytokinesis. 
D)  interphase and prophase. 
E)  mitosis and meiosis.

Question 12

Each newly replicated molecule of DNA contains one strand from the original DNA molecule.

Accepted Answer

A) True 
 B)False

Question 13

During the cell cycle there are several checkpoints that ensure that the cell cycle is proceeding correctly.

Accepted Answer

A) True 
 B)False

Question 14

The enzyme that unwinds DNA is

Accepted Answer

A)  helicase. 
B)  transcriptase. 
C)  DNA polymerase. 
D)  amylase. 
E)  ligase. 
A)  helicase. 
B)  transcriptase. 
C)  DNA polymerase. 
D)  amylase. 
E)  ligase.

Question 15

In the section "Investigating Life: Evolutionary Strategies in the Race Against Cancer," what did the researchers conclude?

Accepted Answer

A)  Standard therapy led to the smallest tumors. 
B)  Skipped dose therapy led to the smallest tumors. 
C)  Declining dose therapy led to the smallest tumors. 
D)  Standard, skipped and declining dose therapy all led to the small tumors. 
E)  Standard, skipped and declining dose therapy were not effective in treating tumors. 
A)  Standard therapy led to the smallest tumors. 
B)  Skipped dose therapy led to the smallest tumors. 
C)  Declining dose therapy led to the smallest tumors. 
D)  Standard, skipped and declining dose therapy all led to the small tumors. 
E)  Standard, skipped and declining dose therapy were not effective in treating tumors.

Question 16

An asexual process used by prokaryotes in which replicated DNA and other cell parts are distributed into two daughter cells is called

Accepted Answer

A)  mitosis. 
B)  binary fusion. 
C)  daughter cell duplication. 
D)  binary fission. 
E)  conjugation. 
A)  mitosis. 
B)  binary fusion. 
C)  daughter cell duplication. 
D)  binary fission. 
E)  conjugation.

Question 17

Which of the following does not increase the risk for developing cancer?

Accepted Answer

A)  vigorous exercise 
B)  poor diet 
C)  obesity 
D)  sun exposure 
E)  tobacco 
A)  vigorous exercise 
B)  poor diet 
C)  obesity 
D)  sun exposure 
E)  tobacco

Question 18

The genome of an organism is all of its

Accepted Answer

A)  proteins. 
B)  RNA. 
C)  characteristics. 
D)  genetic material. 
E)  All answers are correct. 
A)  proteins. 
B)  RNA. 
C)  characteristics. 
D)  genetic material. 
E)  All answers are correct.

Question 19

In the section "Investigating Life: Evolutionary Strategies in the Race Against Cancer," scientists studied the effects of adaptive cancer therapies on tumors in mice. What is the dependent variable in this study?

Accepted Answer

A)  Volume of the tumor in humans. 
B)  Skipped doses. 
C)  Standard therapy. 
D)  Declining doses. 
E)  Volume of the tumor in mice. 
A)  Volume of the tumor in humans. 
B)  Skipped doses. 
C)  Standard therapy. 
D)  Declining doses. 
E)  Volume of the tumor in mice.

Question 20

What molecule holds instructions for the synthesis of proteins and copies itself before cell division?

Accepted Answer

A)  ATP synthase 
B)  DNA 
C)  RNA 
D)  NAD 
E)  FAD 
A)  ATP synthase 
B)  DNA 
C)  RNA 
D)  NAD 
E)  FAD

Exam 8: DNA Replication,Binary Fission,and Mitosis

Apoptosis could explain the death of lines of cells in palm leaves that lead to separate "fingers" in the structure of those leaves.

The phase of mitosis in which the chromosomes are aligned along the equator of the cell is

The division of the nucleus during the eukaryotic cell cycle is

If you were watching a cell undergoing a doubling of the DNA in its nucleus,you would be observing

Adaptive therapy aims to combat ________ amongst cancer cells that leads to tumor growth continuing even after therapy treatments.

DNA's sugar-phosphate backbones are joined with

Semiconservative DNA replication comes from the basepairing that is part of the basic structure of the DNA double helix.

Apoptosis could be used to limit the spread of an intracellular disease-causing agent by isolating it with dead cells.

Some risk of cancer comes from genetic issues.

In an asexual life cycle,cells reproduce by

The two main stages of the eukaryotic cell cycle are

Each newly replicated molecule of DNA contains one strand from the original DNA molecule.

During the cell cycle there are several checkpoints that ensure that the cell cycle is proceeding correctly.

The enzyme that unwinds DNA is

In the section "Investigating Life: Evolutionary Strategies in the Race Against Cancer," what did the researchers conclude?

An asexual process used by prokaryotes in which replicated DNA and other cell parts are distributed into two daughter cells is called

Which of the following does not increase the risk for developing cancer?

The genome of an organism is all of its

In the section "Investigating Life: Evolutionary Strategies in the Race Against Cancer," scientists studied the effects of adaptive cancer therapies on tumors in mice. What is the dependent variable in this study?

What molecule holds instructions for the synthesis of proteins and copies itself before cell division?

The Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

Filters