Question 1

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.F) B) and D)
G) C) and D)

Question 2

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 3

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

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

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.F) A) and D)
G) C) and E)

Question 6

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.F) A) and B)
G) B) and D)

Question 7

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)   FADF) A) and E)
G) C) and E)

Question 8

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)   cohesivenessF) All of the above
G) C) and D)

Question 9

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.F) All of the above
G) B) and C)

Question 10

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.F) C) and D)
G) C) and E)

Question 11

The division of the nucleus during the eukaryotic cell cycle is

Accepted Answer

A)   mitosis.
B)   interphase.
C)   synthesis.
D)   cytokinesis.
E)   replication.F) None of the above
G) A) and B)

Question 12

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.F) A) and E)
G) C) and E)

Question 13

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)   tobaccoF) C) and D)
G) D) and E)

Question 14

The enzyme that unwinds DNA is

Accepted Answer

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

Question 15

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 16

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 17

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.F) B) and E)
G) A) and B)

Question 18

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.F) B) and E)
G) C) and D)

Question 19

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.F) A) and C)
G) B) and D)

Question 20

Some risk of cancer comes from genetic issues.

Accepted Answer

A) True 
 B)False

Exam 8: DNA Replication,Binary Fission,and Mitosis

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

Correct AnswerverifiedShow Answer

The enzyme that unwinds DNA is

Correct AnswerverifiedShow Answer

Some risk of cancer comes from genetic issues.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

DNA's sugar-phosphate backbones are joined with

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The genome of an organism is all of its

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The two main stages of the eukaryotic cell cycle are

Correct AnswerverifiedShow Answer

The division of the nucleus during the eukaryotic cell cycle is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In an asexual life cycle,cells reproduce by

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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