Question 1

How does the space between our fingers arise?

Accepted Answer

A) The cells form by apoptosis. 
B) Mitosis of the cells is blocked. 
C) The cells die by apoptosis. 
D) Meiosis of the cells is blockeD. 
E) The cells become part of the fingers. 
A) The cells form by apoptosis. 
B) Mitosis of the cells is blocked. 
C) The cells die by apoptosis. 
D) Meiosis of the cells is blockeD. 
E) The cells become part of the fingers. C

Question 2

To avoid serious genetic problems,when a cell is to divide,it must replicate

Accepted Answer

A) cytoplasmic contents. 
B) cell membrane structure. 
C) array of enzymes. 
D) genome. 
E) cell wall. 
A) cytoplasmic contents. 
B) cell membrane structure. 
C) array of enzymes. 
D) genome. 
E) cell wall. D

Question 3

Apoptosis could be used to protect an organism against

Accepted Answer

A) excessive DNA damage. 
B) excess fat in the diet. 
C) allergens. 
D) a family history of cancer. 
E) No answer is correct. 
A) excessive DNA damage. 
B) excess fat in the diet. 
C) allergens. 
D) a family history of cancer. 
E) No answer is correct. A

Question 4

Which is the cause of cervical cancer?

Accepted Answer

A) human papilloma virus 
B) UV radiation 
C) dietary saturated fat 
D) tobacco use 
E) All answers are correct. 
A) human papilloma virus 
B) UV radiation 
C) dietary saturated fat 
D) tobacco use 
E) All answers are correct.

Question 5

The component of the cytoskeleton that attaches to the chromosomes to separate them during anaphase is the

Accepted Answer

A) Golgi apparatus. 
B) centromere. 
C) centrosome. 
D) mitotic spindle. 
E) kinetochorE. 
A) Golgi apparatus. 
B) centromere. 
C) centrosome. 
D) mitotic spindle. 
E) kinetochorE.

Question 6

The enzyme that adds nucleotides to form new strands of DNA is

Accepted Answer

A) interphase. 
B) prophase. 
C) ligase. 
D) helicase. 
E) DNA polymerasE. 
A) interphase. 
B) prophase. 
C) ligase. 
D) helicase. 
E) DNA polymerasE.

Question 7

The process by which a sperm cell combines with an egg cell is

Accepted Answer

A) fertilization. 
B) recombination. 
C) replication. 
D) mitosis. 
E) germination. 
A) fertilization. 
B) recombination. 
C) replication. 
D) mitosis. 
E) germination.

Question 8

In the section "Investigating Life: Cutting Off a Tumor's Supply Lines in the War on Cancer," what did the researchers conclude from part a.of the figure?

Accepted Answer

A) Endostatin shrank tumors but resistance developed. 
B) The standard chemotherapy drug delayed the growth of tumors without development of resistance. 
C) Endostatin shrank tumors without development of resistance. 
D) The standard chemotherapy drug delayed the growth of tumors but resistance developeD. 
E) Tumors in untreated cells shrank in sizE. 
A) Endostatin shrank tumors but resistance developed. 
B) The standard chemotherapy drug delayed the growth of tumors without development of resistance. 
C) Endostatin shrank tumors without development of resistance. 
D) The standard chemotherapy drug delayed the growth of tumors but resistance developeD. 
E) Tumors in untreated cells shrank in sizE.

Question 9

The phase of mitosis in which the chromosomes condense and centrosomes move to opposite poles of the cell is

Accepted Answer

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

Question 10

If you wanted to avoid lung cancer,what would be the best factor to avoid?

Accepted Answer

A) human papilloma virus 
B) UV radiation 
C) dietary saturated fat 
D) tobacco use 
E) All answers are correct. 
A) human papilloma virus 
B) UV radiation 
C) dietary saturated fat 
D) tobacco use 
E) All answers are correct.

Question 11

The enzyme that unwinds DNA is

Accepted Answer

A) helicase. 
B) interphase. 
C) DNA polymerase. 
D) prophase. 
E) ligasE. 
A) helicase. 
B) interphase. 
C) DNA polymerase. 
D) prophase. 
E) ligasE.

Question 12

The correct sequence for the phases of mitosis is

Accepted Answer

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

Question 13

The chemotherapy drug taxol inhibits microtubule function.A cell treated with taxol would become stuck in which phase?

Accepted Answer

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

Question 14

A part of a chromosome that attaches sister chromatids to each other defines the term

Accepted Answer

A) chromatin. 
B) nucleosome. 
C) centromere. 
D) histone. 
E) No answer is correct. 
A) chromatin. 
B) nucleosome. 
C) centromere. 
D) histone. 
E) No answer is correct.

Question 15

Exposure to UV radiation from the sun can increase the risk of caner.

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

One of two identical attached copies of a replicated chromosome defines the term

Accepted Answer

A) centromere. 
B) chromatin. 
C) chromosome. 
D) nucleosome. 
E) chromatid. 
A) centromere. 
B) chromatin. 
C) chromosome. 
D) nucleosome. 
E) chromatid.

Question 18

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 19

You are told that you will receive an automatic "A" in your course if you look in a drawer marked with a part of the cell cycle most clearly associated with DNA replication and find a special token.Therefore you look in a drawer containing items related to

Accepted Answer

A) mitosis. 
B) cytokinesis. 
C) prophase. 
D) telophase. 
E) interphasE. 
A) mitosis. 
B) cytokinesis. 
C) prophase. 
D) telophase. 
E) interphasE.

Question 20

In early stages of mitosis,a structure appears and functions to organize the protein subunits of the mitotic spindle.This is the

Accepted Answer

A) centromere. 
B) kinetochore. 
C) centrosome. 
D) cytoskeleton. 
E) microfilaments. 
A) centromere. 
B) kinetochore. 
C) centrosome. 
D) cytoskeleton. 
E) microfilaments.

Exam 8: DNA Replication, binary Fission, and Mitosis

How does the space between our fingers arise?

To avoid serious genetic problems,when a cell is to divide,it must replicate

Apoptosis could be used to protect an organism against

Which is the cause of cervical cancer?

The component of the cytoskeleton that attaches to the chromosomes to separate them during anaphase is the

The enzyme that adds nucleotides to form new strands of DNA is

The process by which a sperm cell combines with an egg cell is

In the section "Investigating Life: Cutting Off a Tumor's Supply Lines in the War on Cancer," what did the researchers conclude from part a.of the figure?

The phase of mitosis in which the chromosomes condense and centrosomes move to opposite poles of the cell is

If you wanted to avoid lung cancer,what would be the best factor to avoid?

The enzyme that unwinds DNA is

The correct sequence for the phases of mitosis is

The chemotherapy drug taxol inhibits microtubule function.A cell treated with taxol would become stuck in which phase?

A part of a chromosome that attaches sister chromatids to each other defines the term

Exposure to UV radiation from the sun can increase the risk of caner.

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

One of two identical attached copies of a replicated chromosome defines the term

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

You are told that you will receive an automatic "A" in your course if you look in a drawer marked with a part of the cell cycle most clearly associated with DNA replication and find a special token.Therefore you look in a drawer containing items related to

In early stages of mitosis,a structure appears and functions to organize the protein subunits of the mitotic spindle.This is the

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